Pyrimidine, 1,4,5,6-tetrahydro-1-(2,4,6-trimethylphenyl)- (9CI) 821779-94-6 
Pyrimidine, 1,4,5,6-tetrahydro-1-(2-propenyl)- (9CI) 767611-41-6 
Pyrimidine, 1,4,5,6-tetrahydro-2-(1-pyrazolidinyl)- 160727-49-1 
Pyrimidine, 1,4,5,6-tetrahydro-2-(2-methylphenyl)- (9CI) 151965-25-2 
Pyrimidine, 1,4,5,6-tetrahydro-2-(4-methylphenyl)- (9CI) 62460-57-5 
Pyrimidine, 1,4,5,6-tetrahydro-2-(methylthio)- (7CI, 8CI, 9CI) 20112-81-6 
Pyrimidine, 1,4,5,6-tetrahydro-2-(methylthio)-1-(2-propynyl)- (9CI) 740769-94-2 
Pyrimidine, 1,4,5,6-tetrahydro-2-(o-methylstyryl)- (8CI) 801181-89-5 
Pyrimidine, 1,4,5,6-tetrahydro-2-(o-methylstyryl)-, (E)- (8CI) 801195-65-3 
Pyrimidine, 1,4,5,6-tetrahydro-2-[(4-methyl-2-thenyl)thio]- (8CI) 802595-61-5 
Pyrimidine, 1,4,5,6-tetrahydro-2-[[(1-methylimidazol-2-yl)thio]methyl]- (8CI) 802046-04-4 
Pyrimidine, 1,4,5,6-tetrahydro-2-[2-(3-methyl-2-thienyl)vinyl]-, (E)- (8CI) 802030-14-4 
Pyrimidine, 1,4,5,6-tetrahydro-5-(3-methyl-5-isoxazolyl)- (9CI) 204388-61-4 
Pyrimidine, 1,4,5,6-tetrahydro-5-methyl-2-phenyl- (6CI) 857207-43-3 
Pyrimidine, 1,4-dihydro-4-methylene- (9CI) 184834-03-5 
Pyrimidine, 1,4-dihydro-5-methyl-4-methylene- (9CI) 135645-66-8 
Pyrimidine, 1-acetyl-2-ethylhexahydro-3-methyl- (9CI) 191990-65-5 
Pyrimidine, 1-acetylhexahydro-2,3-dimethyl- (9CI) 191990-63-3 
Pyrimidine, 1-acetylhexahydro-3-methyl-2-(1-methylethyl)- (9CI) 191990-67-7 
Pyrimidine, 1-benzoyl-1,4,5,6-tetrahydro- (5CI) 856974-06-6 
Pyrimidine, 1-benzoylhexahydro- (1CI) 872263-71-3 
Pyrimidine, 1-ethyl-1,4-dihydro-2-methyl- (9CI) 247111-07-5 
Pyrimidine, 1-ethyl-1,4-dihydro-4,4,6-trimethyl-2-(2-propenylthio)- (9CI) 746546-24-7 
Pyrimidine, 2-(1,1-dimethylethyl)- (9CI) 61319-99-1 
Pyrimidine, 2-(1,1-dimethylethyl)-4-methoxy- (9CI) 140201-04-3 
Pyrimidine, 2-(1,1-dimethylethyl)-4-methoxy-6-methyl- (9CI) 617708-41-5 
Pyrimidine, 2-(1-ethylpropyl)- (9CI) 61327-67-1 
Pyrimidine, 2-(1H-1,2,3-triazol-1-yl)- (8CI) 30597-96-7 
Pyrimidine, 2-(1H-1,2,3-triazol-4-yl)- (9CI) 512197-78-3 
Pyrimidine, 2-(1H-1,2,4-triazol-1-yl)- (7CI,9CI) 91159-94-3 
Pyrimidine, 2-(1H-1,2,4-triazol-3-yl)- (9CI) 343341-33-3 
Pyrimidine, 2-(1H-imidazol-1-yl)- (9CI) 134914-65-1 
Pyrimidine, 2-(1H-pyrazol-1-yl)- (9CI) 82882-56-2 
Pyrimidine, 2-(1H-pyrrol-1-yl)- (9CI) 114646-17-2 
Pyrimidine, 2-(1H-tetrazol-5-yl)- (8CI,9CI) 13600-33-4 
Pyrimidine, 2-(1-methoxy-1-methylethyl)- (9CI) 64958-55-0 
Pyrimidine, 2-(1-methylethenyl)- (9CI) 64958-59-4 
Pyrimidine, 2-(1-methylethoxy)- (9CI) 3739-83-1 
Pyrimidine, 2-(1-methylethyl)- (9CI) 61349-72-2 
Pyrimidine, 2-(1-methylethyl)-4-phenyl- (9CI) 64958-51-6 
Pyrimidine, 2-(1-methylhydrazino)- (9CI) 435337-82-9 
Pyrimidine, 2-(1-piperazinylmethyl)- (9CI) 172981-86-1 
Pyrimidine, 2-(1-propenyl)-, (E)- (9CI) 79432-85-2 
Pyrimidine, 2-(1-pyrrolidinyl)- (9CI) 192197-34-5 
Pyrimidine, 2-(2,2-difluoroethoxy)-4,6-dimethoxy- (9CI) 552882-12-9 
Pyrimidine, 2-(2,4,6-trimethylphenyl)- (9CI) 62812-74-2 
Pyrimidine, 2-(2-furanyl)- (9CI) 27110-82-3 
Pyrimidine, 2-(2-propynylamino)- (7CI,8CI) 17466-20-5 
Pyrimidine, 2-(2-propynylthio)- (9CI) 397330-61-9 
Pyrimidine, 2-(3,5-difluorophenyl)- (9CI) 797047-23-5 
Pyrimidine, 2-(3-butenyloxy)- (9CI) 169310-71-8 
Pyrimidine, 2-(3-butynyloxy)- (9CI) 111097-47-3 
Pyrimidine, 2-(3-furanyl)- (9CI) 57059-10-6 
Pyrimidine, 2-(3-methoxyphenoxy)- (9CI) 73226-22-9 
Pyrimidine, 2-(3-methoxyphenyl)- (9CI) 69491-43-6 
Pyrimidine, 2-(3-methyl-1-piperazinyl)- (9CI) 59215-34-8 
Pyrimidine, 2-(4-chlorophenyl)-5-ethyl- (9CI) 95495-06-0 
Pyrimidine, 2-(4-ethoxy-2-pyridinyl)-4-methyl- (9CI) 142019-58-7 
Pyrimidine, 2-(4-ethylphenyl)-5-propyl- (9CI) 98495-11-5 
Pyrimidine, 2-(4H-1,2,4-triazol-4-yl)- (9CI) 36209-77-5 
Pyrimidine, 2-(4-hydrazinophenyl)- (9CI) 77737-85-0 
Pyrimidine, 2-(4-methyl-1-piperazinyl)- (9CI) 145208-86-2 
Pyrimidine, 2-(4-methylphenyl)-5-propyl- (9CI) 143913-45-5 
Pyrimidine, 2-(4-pentynyl)- (9CI) 126215-84-7 
Pyrimidine, 2-(6-methoxy-3-pyridinyl)- (9CI) 475275-81-1 
Pyrimidine, 2-(allyloxy)- (8CI) 13444-15-0 
Pyrimidine, 2-(bromomethyl)-4,6-dimethyl- (9CI) 89200-85-1 
Pyrimidine, 2-(bromomethyl)-5-phenyl- (9CI) 146976-19-4 
Pyrimidine, 2-(chloromethyl)-, 1-oxide (9CI) 206882-35-1 
Pyrimidine, 2-(chloromethyl)-4-methoxy- (9CI) 87273-20-9 
Pyrimidine, 2-(chloromethyl)-4-methyl- (9CI) 78060-44-3 
Pyrimidine, 2-(chloromethyl)-5-methyl 126504-85-6 
Pyrimidine, 2-(chloromethyl)-5-phenyl- (9CI) 147937-38-0 
Pyrimidine, 2-(ethenyldimethylsilyl)- (9CI) 760188-62-3 
Pyrimidine, 2-(ethylthio)- (7CI,8CI,9CI) 10132-25-9 
Pyrimidine, 2-(methoxymethyl)-4-methyl- (9CI) 89966-95-0 
Pyrimidine, 2-(methylnitrosamino)- (8CI) 16220-53-4 
Pyrimidine, 2-(methylsulfinyl)- (8CI,9CI) 14080-19-4 
Pyrimidine, 2-(methylthio)- (6CI,7CI,8CI,9CI) 823-09-6 
Pyrimidine, 2-(methylthio)-5-nitro- (8CI,9CI) 14001-70-8 
Pyrimidine, 2,2-(1,4-phenylene)bis- (9CI) 174303-49-2 
Pyrimidine, 2,2-diethyl-1,2-dihydro-1,4-dimethyl- (9CI) 686255-10-7 
Pyrimidine, 2,2-difluorohexahydro-1,3-dimethyl- (9CI) 497181-15-4 
Pyrimidine, 2,4,5-trifluoro- (8CI,9CI) 17573-79-4 
Pyrimidine, 2,4,5-trimethyl- (6CI,8CI,9CI) 22868-78-6 
Pyrimidine, 2,4,6-triethoxy-5-methyl- (9CI) 96494-13-2 
Pyrimidine, 2,4,6-trimethoxy-5-(trimethylsilyl)- (9CI) 126327-72-8 
Pyrimidine, 2,4,6-trimethyl- (6CI,7CI,8CI,9CI) 22114-27-8 
Pyrimidine, 2,4,6-trimethyl-, 1-oxide (6CI,9CI) 56536-48-2 
Pyrimidine, 2,4-bis(trimethylsilyl)- (9CI) 55170-72-4 
Pyrimidine, 2,4-diamino-5-ethoxy- (5CI) 874494-82-3 
Pyrimidine, 2,4-diamino-5-methoxy- (8CI) 18588-48-2 
Pyrimidine, 2,4-diamino-6-(methylamino)- (8CI) 24867-24-1 
Pyrimidine, 2,4-dibromo-5-methyl- (9CI) 494194-61-5 
Pyrimidine, 2,4-diethoxy-5-nitro- (6CI) 101935-53-9 
Pyrimidine, 2,4-diethoxy-5-propyl- (9CI) 145729-63-1 
Pyrimidine, 2,4-diethyl-6-methyl- (9CI) 68290-89-1 
Pyrimidine, 2,4-difluoro-5,6-dimethyl- (8CI) 18260-62-3 
Pyrimidine, 2,4-difluoro-5-methyl- (9CI) 96548-89-9 
Pyrimidine, 2,4-difluoro-6-methoxy- (8CI,9CI) 27078-76-8 
Pyrimidine, 2,4-difluoro-6-methyl- (7CI,8CI,9CI) 696-80-0 
Pyrimidine, 2,4-dimethoxy-5-(trimethylstannyl)- (9CI) 120825-36-7 
Pyrimidine, 2,4-dimethoxy-6-phenoxy- (9CI) 246538-87-4 
Pyrimidine, 2,4-dimethyl- (6CI,7CI,8CI,9CI) 14331-54-5 
Pyrimidine, 2,4-dimethyl-, 1-oxide (8CI,9CI) 33456-61-0 
Pyrimidine, 2,4-dimethyl-, 3-oxide (8CI,9CI) 33342-84-6 
Pyrimidine, 2,4-dimethyl-6-(1-propynyl)- (9CI) 66298-38-2 
Pyrimidine, 2,4-dimethyl-6-phenyl- (9CI) 64571-30-8 
Pyrimidine, 2,4-dimethyl-6-propyl- (9CI) 412028-46-7 
Pyrimidine, 2,4-dipropoxy- (9CI) 62899-08-5 
Pyrimidine, 2,5-diamino-4-chloro- (8CI) 14631-09-5 
Pyrimidine, 2,5-diamino-4-methyl- (7CI) 89181-77-1 
Pyrimidine, 2,5-difluoro- (8CI,9CI) 17573-84-1 
Pyrimidine, 2,5-difluoro-4-methoxy- (9CI) 123038-80-2 
Pyrimidine, 2,5-dimethoxy- (8CI,9CI) 16290-94-1 
Pyrimidine, 2,5-dimethyl- (6CI,8CI,9CI) 22868-76-4 
Pyrimidine, 2,5-dimethyl-, radical ion(1+) (9CI) 144384-91-8 
Pyrimidine, 2-[(1E)-2-phenylethenyl]- (9CI) 35782-30-0 
Pyrimidine, 2-[(2-propynyloxy)methyl]- (9CI) 126230-86-2 
Pyrimidine, 2-[(3R)-3-methyl-1-piperazinyl]- (9CI) 668484-57-9 
Pyrimidine, 2-[(3S)-3-methyl-1-piperazinyl]- (9CI) 668484-58-0 
Pyrimidine, 2-[(6-ethoxy-3-pyridinyl)methyl]-1,4,5,6-tetrahydro- (9CI) 371122-62-2 
Pyrimidine, 2-[(fluoromethyl)thio]- (9CI) 250690-55-2 
Pyrimidine, 2-[(trimethylsilyl)oxy]- (9CI) 52523-22-5 
Pyrimidine, 2-[1,1-biphenyl]-3-yl- (9CI) 377047-38-6 
Pyrimidine, 2-[1,1-biphenyl]-4-yl- (9CI) 138173-04-3 
Pyrimidine, 2-[2-(1-aziridinyl)ethoxy]- (9CI) 500342-22-3 
Pyrimidine, 2-[3-(aminooxy)-1-propynyl]- (9CI) 628698-65-7 
Pyrimidine, 2-[4-(bromomethyl)phenyl]- (9CI) 77232-37-2 
Pyrimidine, 2-[4-(bromomethyl)phenyl]-5-methyl- (9CI) 77232-36-1 
Pyrimidine, 2-[4-[1-(1-cyclohexyl-1H-tetrazol-5-yl)-2-methylpropyl]-1-piperazinyl]- (9CI) 606114-26-5 
Pyrimidine, 2-[4-[1-(1-cyclohexyl-1H-tetrazol-5-yl)-3-methylbutyl]-1-piperazinyl]- (9CI) 606114-27-6 
Pyrimidine, 2-[4-[1-(1-cyclohexyl-1H-tetrazol-5-yl)propyl]-1-piperazinyl]- (9CI) 606114-25-4 
Pyrimidine, 2-amino-4-(2-dimethylaminoethylamino)-5,6-dimethyl- (4CI) 811945-79-6 
Pyrimidine, 2-amino-4-(3-dimethylaminopropylamino)-5,6-dimethyl- (4CI) 812020-60-3 
Pyrimidine, 2-amino-4,5,6-trimethoxy- (6CI,8CI) 13428-61-0 
Pyrimidine, 2-amino-4-butoxy-5-ethoxy- (7CI) 91141-26-3 
Pyrimidine, 2-amino-4-chloro-5-fluoro- (7CI,8CI) 1683-75-6 
Pyrimidine, 2-amino-4-fluoro-5-methyl- (8CI) 20655-09-8 
Pyrimidine, 2-amino-4-hydrazino- (8CI) 33575-09-6 
Pyrimidine, 2-amino-5-(aminomethyl)-4-methyl- (8CI) 19594-45-7 
Pyrimidine, 2-amino-5-(methoxymethyl)- (7CI,8CI) 3603-76-7 
Pyrimidine, 2-amino-5-butoxy-4-ethoxy- (7CI) 92491-06-0 
Pyrimidine, 2-amino-5-cyclopropyl- (8CI) 21573-16-0 
Pyrimidine, 2-amino-5-fluoro-4-methoxy- (7CI,8CI) 1993-74-4 
Pyrimidine, 2-amino-5-methoxy-4-methyl- (7CI,8CI) 1749-71-9 
Pyrimidine, 2-bromo-4-chloro- (9CI) 885702-33-0 
Pyrimidine, 2-bromo-4-ethyl- (9CI) 195708-66-8 
Pyrimidine, 2-butyl- (9CI) 61327-65-9 
Pyrimidine, 2-chloro-4,5-dimethyl- (9CI) 34916-68-2 
Pyrimidine, 2-chloro-4-ethenyl- (9CI) 131467-02-2 
Pyrimidine, 2-chloro-4-ethyl- (9CI) 188707-99-5 
Pyrimidine, 2-chloro-4-ethynyl- (9CI) 37968-69-7 
Pyrimidine, 2-chloro-4-fluoro- (9CI) 38953-29-6 
Pyrimidine, 2-chloro-5-(1-methylethyl)- (9CI) 596114-50-0 
Pyrimidine, 2-chloro-5-(trichloromethyl)- (9CI) 69034-11-3 
Pyrimidine, 2-chloro-5-(trifluoromethyl)- (9CI) 69034-12-4 
Pyrimidine, 2-chloro-5-ethenyl- (9CI) 131467-06-6 
Pyrimidine, 2-chloro-5-fluoro-4-methyl- (9CI) 134000-96-7 
Pyrimidine, 2-cyclopropyl- (9CI) 58173-74-3 
Pyrimidine, 2-cyclopropyl-4,6-bis(1-methylethoxy)- (9CI) 811802-33-2 
Pyrimidine, 2-cyclopropyl-4,6-diethoxy- (9CI) 552881-09-1 
Pyrimidine, 2-cyclopropyl-4-methoxy-6-(1-methylethoxy)- (9CI) 552882-10-7 
Pyrimidine, 2-diazenyl- (9CI) 504407-92-5 
Pyrimidine, 2-dimethylamino-4-vinyl- (6CI) 100383-40-2 
Pyrimidine, 2-ethenyl- (9CI) 51394-43-5 
Pyrimidine, 2-ethenyl-4,6-dimethyl- (9CI) 127588-25-4 
Pyrimidine, 2-ethoxy- (7CI,8CI,9CI) 3739-82-0 
Pyrimidine, 2-ethoxy-4-[(trimethylsilyl)oxy]- (9CI) 171109-23-2 
Pyrimidine, 2-ethoxy-4-methoxy-5-methyl- (9CI) 905716-25-8 
Pyrimidine, 2-ethoxy-4-methyl- (8CI) 17758-42-8 
Pyrimidine, 2-ethoxy-5-methyl- (8CI,9CI) 17758-09-7 
Pyrimidine, 2-ethoxy-5-nitro- (8CI,9CI) 13207-98-2 
Pyrimidine, 2-ethyl- (9CI) 60544-11-8 
Pyrimidine, 2-ethyl-1,4,5,6-tetrahydro-1-(m-methoxyphenyl)- (8CI) 802282-83-3 
Pyrimidine, 2-ethyl-1,4-dihydro-1-methyl- (9CI) 247111-08-6 
Pyrimidine, 2-ethyl-4,6-dimethyl- (9CI) 67490-16-8 
Pyrimidine, 2-ethyl-4-methyl- (6CI,9CI) 75074-97-4 
Pyrimidine, 2-ethyl-4-phenyl- (7CI,9CI) 91391-86-5 
Pyrimidine, 2-ethyl-5-(4-ethylphenyl)- (9CI) 208709-64-2 
Pyrimidine, 2-ethyl-5-nitro- (9CI) 79899-27-7 
Pyrimidine, 2-ethynyl- (9CI) 37972-24-0 
Pyrimidine, 2-ethynyl-4,6-dimethyl- (9CI) 86520-99-2 
Pyrimidine, 2-ethynyl-4-methoxy- (9CI) 161489-04-9 
Pyrimidine, 2-fluoro-4,6-dimethyl- (9CI) 38953-33-2 
Pyrimidine, 2-fluoro-4-methoxy- (9CI) 39030-96-1 
Pyrimidine, 2-fluoro-4-methoxy-6-methyl- (9CI) 184590-44-1 
Pyrimidine, 2-fluoro-4-methyl- (9CI) 38953-32-1 
Pyrimidine, 2-fluoro-5-methoxy- (9CI) 62802-39-5 
Pyrimidine, 2-fluoro-5-methyl- (9CI) 62802-36-2 
Pyrimidine, 2-hydrazino-4-methoxy- (7CI) 89181-80-6 
Pyrimidine, 2-iodo-4-methoxy- (9CI) 262353-35-5 
Pyrimidine, 2-isocyanato- (9CI) 72975-49-6 
Pyrimidine, 2-isocyanato-4,6-dimethyl- (9CI) 134600-72-9 
Pyrimidine, 2-isopropoxy-5-nitro- (8CI) 14998-03-9 
Pyrimidine, 2-isothiocyanato- (9CI) 49573-96-8 
Pyrimidine, 2-isothiocyanato-4,6-dimethoxy- (9CI) 110860-38-3 
Pyrimidine, 2-methoxy-, 1-oxide (9CI) 54565-86-5 
Pyrimidine, 2-methoxy-4-methyl-, 1-oxide (9CI) 78009-17-3 
Pyrimidine, 2-methoxy-4-methyl-, 3-oxide (9CI) 343929-22-6 
Pyrimidine, 2-methoxy-5-(1-propynyl)- (9CI) 101803-07-0 
Pyrimidine, 2-methoxy-5-methyl- (8CI,9CI) 17758-07-5 
Pyrimidine, 2-methyl-, 1-oxide (8CI,9CI) 17759-05-6 
Pyrimidine, 2-methyl-4-(1-methylethyl)- (9CI) 127958-18-3 
Pyrimidine, 2-methyl-4-(1-piperazinyl)- (9CI) 131816-67-6 
Pyrimidine, 2-methyl-4-(2-methylpropyl)- (9CI) 188708-01-2 
Pyrimidine, 2-methyl-4-(4-methylphenyl)- (9CI) 77232-28-1 
Pyrimidine, 2-methyl-4-(methylthio)- (8CI,9CI) 33779-33-8 
Pyrimidine, 2-methyl-4-propyl- (9CI) 89967-02-2 
Pyrimidine, 2-methyl-5-(1-methylethyl)- (9CI) 64171-54-6 
Pyrimidine, 2-methyl-5-(4-pyridinyl)- (9CI) 193885-93-7 
Pyrimidine, 2-methyl-5-nitro- (8CI,9CI) 14080-34-3 
Pyrimidine, 2-methyl-5-propyl- (9CI) 64171-53-5 
Pyrimidine, 2-nitro- (9CI) 79917-54-7 
Pyrimidine, 2-nitroso- (9CI) 79917-39-8 
Pyrimidine, 2-pentyl- (9CI) 61327-66-0 
Pyrimidine, 2-phenyl-4-propyl- (6CI,9CI) 89967-04-4 
Pyrimidine, 2-propoxy- (7CI,8CI) 3739-79-5 
Pyrimidine, 2-propyl- (9CI) 61349-71-1 
Pyrimidine, 4-(1,1-dimethylethyl)- (9CI) 3438-47-9 
Pyrimidine, 4-(1,1-dimethylethyl)-2-methyl- (9CI) 66621-93-0 
Pyrimidine, 4-(1,2-dimethylpropoxy)-6-(2-propynyloxy)- (9CI) 601482-73-9 
Pyrimidine, 4-(1-aziridinyl)- (9CI) 140212-80-2 
Pyrimidine, 4-(1H-imidazol-1-yl)- (9CI) 183552-82-1 
Pyrimidine, 4-(1H-pyrazol-1-yl)- (9CI) 82892-95-3 
Pyrimidine, 4-(1H-pyrazol-4-yl)- (9CI) 28648-87-5 
Pyrimidine, 4-(1-methylethyl)- (9CI) 129793-51-7 
Pyrimidine, 4-(1-methylethyl)-2-phenyl- (9CI) 127958-20-7 
Pyrimidine, 4-(2-butynyloxy)-6-(1-methylethoxy)- (9CI) 601482-40-0 
Pyrimidine, 4-(2-butynyloxy)-6-(1-methylpropoxy)- (9CI) 601482-63-7 
Pyrimidine, 4-(2-butynyloxy)-6-(2-pentynyloxy)- (9CI) 405928-77-0 
Pyrimidine, 4-(2-butynyloxy)-6-(2-propynyloxy)- (9CI) 405928-73-6 
Pyrimidine, 4-(2-diethylaminoethylamino)-2,6-dimethyl- (4CI) 811868-36-7 
Pyrimidine, 4-(2-fluoroethoxy)-2,6-dimethoxy- (9CI) 552882-15-2 
Pyrimidine, 4-(2-furanyl)- (9CI) 17749-82-5 
Pyrimidine, 4-(2-imidazolin-2-yl)- (6CI) 98277-12-4 
Pyrimidine, 4-(2-pentynyloxy)-6-(2-propynyloxy)- (9CI) 405928-76-9 
Pyrimidine, 4-(2-propenyl)- (9CI) 261951-45-5 
Pyrimidine, 4-(3,5-dimethyl-1H-pyrazol-1-yl)-6-ethoxy- (9CI) 413620-37-8 
Pyrimidine, 4-(3-butynyloxy)-6-(2-propynyloxy)- (9CI) 405928-83-8 
Pyrimidine, 4-(3-methylbutyl)- (9CI) 116186-27-7 
Pyrimidine, 4-(4-bromophenyl)- (9CI) 53975-33-0 
Pyrimidine, 4-(4-chlorophenyl)- (9CI) 458541-37-2 
Pyrimidine, 4-(4-fluorophenyl)- (9CI) 68049-19-4 
Pyrimidine, 4-(4-pyridinyl)- (9CI) 53345-78-1 
Pyrimidine, 4-(allylamino)-2-amino- (7CI,8CI) 6254-30-4 
Pyrimidine, 4-(allylamino)-2-methyl- (7CI,8CI) 6381-00-6 
Pyrimidine, 4-(allylamino)-6-amino- (6CI) 98335-15-0 
Pyrimidine, 4-(allyloxy)-2-methyl- (7CI,8CI) 7180-92-9 
Pyrimidine, 4-(bromomethyl)-2-chloro- (9CI) 181363-06-4 
Pyrimidine, 4-(chloromethyl)- (9CI) 54198-81-1 
Pyrimidine, 4-(chloromethyl)-2-methyl- (9CI) 89967-01-1 
Pyrimidine, 4-(chloromethyl)-6-methyl- (6CI) 98198-62-0 
Pyrimidine, 4-(cyclobutyloxy)-2,6-dimethoxy- (9CI) 552880-83-8 
Pyrimidine, 4-(ethenyloxy)-2-(methylthio)- (9CI) 111183-97-2 
Pyrimidine, 4-(ethylthio)- (7CI,8CI,9CI) 10132-15-7 
Pyrimidine, 4-(methoxymethyl)-2-methyl- (9CI) 89966-96-1 
Pyrimidine, 4-(methylamino)-5-vinyl- (8CI) 23956-20-9 
Pyrimidine, 4-(methylnitrosamino)- (8CI) 16220-54-5 
Pyrimidine, 4-(methylsulfinyl)- (8CI) 14080-20-7 
Pyrimidine, 4-(methylthio)- (6CI,7CI,8CI,9CI) 6104-46-7 
Pyrimidine, 4-(nitromethyl)- (9CI) 35624-52-3 
Pyrimidine, 4-(phenylmethyl)- (9CI) 64660-82-8 
Pyrimidine, 4-(trifluoromethyl)- (9CI) 136547-16-5 
Pyrimidine, 4,5,6-triamino-2-ethyl- (6CI) 102169-67-5 
Pyrimidine, 4,5,6-trimethyl- (8CI,9CI) 22868-79-7 
Pyrimidine, 4,5-diamino-2-ethylamino- (6CI) 100524-49-0 
Pyrimidine, 4,5-diethynyl- (9CI) 336106-80-0 
Pyrimidine, 4,5-dimethoxy- (9CI) 71133-26-1 
Pyrimidine, 4,5-dimethyl- (6CI,7CI,8CI,9CI) 694-81-5 
Pyrimidine, 4,5-dimethyl-, 1-oxide (9CI) 114969-53-8 
Pyrimidine, 4,5-dimethyl-, 3-oxide (9CI) 114969-96-9 
Pyrimidine, 4,5-dimethyl-2-phenyl- (9CI) 111921-74-5 
Pyrimidine, 4,6-bis(2-butynyloxy)- (9CI) 405928-72-5 
Pyrimidine, 4,6-bis(bromomethyl)- (9CI) 60023-31-6 
Pyrimidine, 4,6-bis(difluoromethoxy)-2-methyl- (9CI) 127697-73-8 
Pyrimidine, 4,6-diamino-2,5-difluoro- (8CI) 17573-86-3 
Pyrimidine, 4,6-diamino-2,5-dimethyl- (7CI,8CI) 13265-42-4 
Pyrimidine, 4,6-dichloro-2-cyclopropyl-5-ethyl- (9CI) 617716-32-2 
Pyrimidine, 4,6-diethenyl- (9CI) 169327-63-3 
Pyrimidine, 4,6-diethoxy-5-nitro- (8CI,9CI) 29939-36-4 
Pyrimidine, 4,6-diethyl-2-(methylsulfonyl)- (9CI) 497872-96-5 
Pyrimidine, 4,6-diethyl-2-methyl- (9CI) 68290-87-9 
Pyrimidine, 4,6-difluoro-2-(1-piperazinyl)- (9CI) 675588-43-9 
Pyrimidine, 4,6-difluoro-2,5-dimethyl- (8CI) 18260-63-4 
Pyrimidine, 4,6-difluoro-2-methoxy- (8CI,9CI) 27078-75-7 
Pyrimidine, 4,6-difluoro-2-methyl- (8CI,9CI) 18382-80-4 
Pyrimidine, 4,6-difluoro-5-methyl- (8CI) 18260-64-5 
Pyrimidine, 4,6-dimethoxy-2-(4-methylphenyl)- (9CI) 77232-14-5 
Pyrimidine, 4,6-dimethoxy-2-(phenylmethoxy)- (9CI) 172898-76-9 
Pyrimidine, 4,6-dimethyl-, 1-oxide (6CI,7CI,8CI,9CI) 14161-42-3 
Pyrimidine, 4,6-dimethyl-2-(1-methylethyl)- (9CI) 67490-17-9 
Pyrimidine, 4,6-dimethyl-2-(1-propynyl)- (9CI) 66298-32-6 
Pyrimidine, 4,6-dimethyl-2-nitroso- (9CI) 126382-54-5 
Pyrimidine, 4,6-diphenoxy- (9CI) 156592-09-5 
Pyrimidine, 4-amino-2-(ethoxymethyl)- (8CI) 3122-85-8 
Pyrimidine, 4-amino-2-(fluoromethyl)- (8CI) 16097-51-1 
Pyrimidine, 4-amino-2-(fluoromethyl)-6-methoxy- (8CI) 16097-53-3 
Pyrimidine, 4-amino-2-(fluoromethyl)-6-methyl- (8CI) 16097-54-4 
Pyrimidine, 4-amino-2-ethoxy-6-isobutoxy- (7CI) 91141-32-1 
Pyrimidine, 4-amino-2-ethoxy-6-phenyl- (7CI) 88614-05-5 
Pyrimidine, 4-amino-2-fluoro-5,6-dimethyl- (8CI) 18260-67-8 
Pyrimidine, 4-amino-2-fluoro-6-methyl- (8CI) 18260-54-3 
Pyrimidine, 4-amino-2-hydrazino-6-methyl- (7CI,8CI) 33575-13-2 
Pyrimidine, 4-amino-2-methyl-6-(methylamino)- (6CI,8CI) 14538-81-9 
Pyrimidine, 4-amino-2-propyl- (6CI) 100910-69-8 
Pyrimidine, 4-amino-5-(ethylamino)- (7CI) 89488-76-6 
Pyrimidine, 4-amino-5-[(3,5-dimethylpyrazol-1-yl)methyl]-2-methyl- (8CI) 802610-26-0 
Pyrimidine, 4-amino-5-[o-methoxyphenyl]- (5CI) 856974-25-9 
Pyrimidine, 4-amino-5-chloro-6-methyl- (7CI,8CI) 13040-89-6 
Pyrimidine, 4-amino-5-isopropyl- (7CI,8CI) 5000-30-6 
Pyrimidine, 4-amino-5-methoxy-6-methyl- (7CI,8CI) 1739-61-3 
Pyrimidine, 4-amino-6-(2-diethylaminoethylamino)-2-methyl- (4CI) 811868-32-3 
Pyrimidine, 4-amino-6-butoxy-2-ethoxy- (7CI) 91141-27-4 
Pyrimidine, 4-amino-6-ethoxy- (7CI,8CI) 3289-43-8 
Pyrimidine, 4-amino-6-ethyl-2-methyl- (7CI) 90008-43-8 
Pyrimidine, 4-amino-6-ethylamino- (6CI) 101080-47-1 
Pyrimidine, 4-amino-6-fluoro-2,5-dimethyl- (8CI) 18260-68-9 
Pyrimidine, 4-amino-6-fluoro-2-methyl- (8CI) 18260-57-6 
Pyrimidine, 4-amino-6-fluoro-5-methyl- (8CI) 18260-69-0 
Pyrimidine, 4-amino-6-methyl-5-(methylamino)- (8CI) 15996-42-6 
Pyrimidine, 4-anilino-2-ethoxy- (7CI) 88614-08-8 
Pyrimidine, 4-anilino-6-ethoxy- (7CI) 88614-09-9 
Pyrimidine, 4-bromo- (8CI,9CI) 31462-56-3 
Pyrimidine, 4-bromo-2-chloro- (9CI) 885702-34-1 
Pyrimidine, 4-bromo-6-methyl- (9CI) 69543-98-2 
Pyrimidine, 4-butyl- (8CI,9CI) 28918-79-8 
Pyrimidine, 4-butyl-5-methyl- (9CI) 501380-06-9 
Pyrimidine, 4-butyl-6-methyl- (6CI) 114425-76-2 
Pyrimidine, 4-chloro-2,5-dimethyl- (9CI) 75712-74-2 
Pyrimidine, 4-chloro-2-ethyl- (8CI,9CI) 14331-51-2 
Pyrimidine, 4-chloro-2-fluoro- (9CI) 51422-00-5 
Pyrimidine, 4-chloro-2-fluoro-6-methyl- (9CI) 173918-34-8 
Pyrimidine, 4-chloro-2-methoxy- (9CI) 51421-99-9 
Pyrimidine, 4-chloro-5-(dichloromethyl)- (9CI) 172225-58-0 
Pyrimidine, 4-chloro-5,6-dimethyl- (7CI,9CI) 67434-65-5 
Pyrimidine, 4-chloro-5-fluoro- (9CI) 347418-42-2 
Pyrimidine, 4-chloro-5-methoxy- (6CI,7CI,8CI,9CI) 695-85-2 
Pyrimidine, 4-chloro-6-ethyl- (9CI) 141602-25-7 
Pyrimidine, 4-chloro-6-fluoro- (9CI) 51422-01-6 
Pyrimidine, 4-chloro-6-methyl-, 1-oxide (9CI) 52816-76-9 
Pyrimidine, 4-chloro-6-nitroso- (9CI) 126827-22-3 
Pyrimidine, 4-cyclopropyl- (9CI) 58173-57-2 
Pyrimidine, 4-cyclopropyl-2,6-dimethyl- (9CI) 88235-21-6 
Pyrimidine, 4-diazenyl- (9CI) 504407-91-4 
Pyrimidine, 4-dimethylamino-6-methyl- (6CI) 99356-90-8 
Pyrimidine, 4-ethenyl- (9CI) 45588-69-0 
Pyrimidine, 4-ethenyl-, 1,3-dioxide (9CI) 68091-09-8 
Pyrimidine, 4-ethenyl-2,6-dimethyl- (9CI) 127588-28-7 
Pyrimidine, 4-ethenyl-6-methyl- (9CI) 329984-01-2 
Pyrimidine, 4-ethoxy- (8CI,9CI) 24903-72-8 
Pyrimidine, 4-ethoxy-2-(1H-imidazol-1-yl)-6-methyl- (9CI) 114834-00-3 
Pyrimidine, 4-ethoxy-2-(ethylthio)- (6CI,9CI) 84289-47-4 
Pyrimidine, 4-ethoxy-2-(methylthio)- (9CI) 49844-89-5 
Pyrimidine, 4-ethoxy-2-(trimethylsiloxy)- (7CI,8CI) 17932-56-8 
Pyrimidine, 4-ethoxy-2-methoxy-6-methyl- (9CI) 253142-16-4 
Pyrimidine, 4-ethoxy-2-methyl- (8CI) 24903-66-0 
Pyrimidine, 4-ethoxy-5-(phenylmethyl)- (9CI) 185053-48-9 
Pyrimidine, 4-ethoxy-5-nitro-6-(1E)-1-propenyl- (9CI) 326832-03-5 
Pyrimidine, 4-ethoxy-6-(1-methylhydrazino)-5-nitro- (9CI) 78555-94-9 
Pyrimidine, 4-ethoxy-6-methyl-2-(1H-pyrazol-1-yl)- (9CI) 114834-01-4 
Pyrimidine, 4-ethoxy-6-methyl-2-(methylsulfonyl)- (9CI) 172899-14-8 
Pyrimidine, 4-ethoxy-6-methyl-2-phenyl- (9CI) 406189-80-8 
Pyrimidine, 4-ethyl- (6CI,8CI,9CI) 30537-73-6 
Pyrimidine, 4-ethyl-2-(methylsulfonyl)-6-(1-propynyl)- (9CI) 746620-21-3 
Pyrimidine, 4-ethyl-2,5,6-trimethyl- (9CI) 120537-58-8 
Pyrimidine, 4-ethyl-2,6-dimethyl- (9CI) 65680-14-0 
Pyrimidine, 4-ethyl-2-methyl- (9CI) 65845-70-7 
Pyrimidine, 4-ethyl-2-phenyl- (6CI,9CI) 89967-03-3 
Pyrimidine, 4-ethyl-5-methyl- (6CI,9CI) 57562-55-7 
Pyrimidine, 4-ethyl-5-methyl-2,6-bis(methylthio)- (9CI) 665008-54-8 
Pyrimidine, 4-ethyl-6-ethynyl-2-(methylsulfonyl)- (9CI) 746620-56-4 
Pyrimidine, 4-ethyl-6-methyl- (9CI) 74647-33-9 
Pyrimidine, 4-ethynyl-2-(methylthio)- (9CI) 544675-64-1 
Pyrimidine, 4-ethynyl-2,6-dimethyl- (9CI) 86521-00-8 
Pyrimidine, 4-ethynyl-2-methoxy- (9CI) 37968-71-1 
Pyrimidine, 4-fluoro- (8CI,9CI) 31462-55-2 
Pyrimidine, 4-fluoro-2-(1-methylethyl)- (9CI) 68210-29-7 
Pyrimidine, 4-fluoro-2-(methylthio)- (9CI) 161124-03-4 
Pyrimidine, 4-fluoro-2,6-dimethyl- (9CI) 51421-90-0 
Pyrimidine, 4-fluoro-2-[(fluoromethyl)thio]- (9CI) 250690-60-9 
Pyrimidine, 4-fluoro-2-methoxy- (9CI) 51421-93-3 
Pyrimidine, 4-fluoro-2-methyl- (9CI) 51421-89-7 
Pyrimidine, 4-fluoro-2-phenyl- (9CI) 51421-91-1 
Pyrimidine, 4-fluoro-6-methoxy- (9CI) 51421-95-5 
Pyrimidine, 4-fluoro-6-methyl- (9CI) 51421-88-6 
Pyrimidine, 4-isobutyl- (6CI) 98489-37-3 
Pyrimidine, 4-isocyanato-2,6-dimethyl- (9CI) 72975-47-4 
Pyrimidine, 4-methoxy- (6CI,7CI,8CI,9CI) 6104-41-2 
Pyrimidine, 4-methoxy-, 1-oxide (6CI,8CI,9CI) 17758-55-3 
Pyrimidine, 4-methoxy-2-(1-methylethenyl)- (9CI) 64958-64-1 
Pyrimidine, 4-methoxy-2-(1-methylethyl)- (9CI) 64958-53-8 
Pyrimidine, 4-methoxy-2,5-dimethyl- (7CI,8CI,9CI) 5767-72-6 
Pyrimidine, 4-methoxy-2,6-dimethyl- (6CI,8CI,9CI) 14001-62-8 
Pyrimidine, 4-methoxy-2-[(trimethylsilyl)oxy]- (9CI) 57098-88-1 
Pyrimidine, 4-methoxy-2-methyl- (6CI,7CI,8CI,9CI) 7314-65-0 
Pyrimidine, 4-methoxy-2-methyl-, 1-oxide (8CI,9CI) 17759-07-8 
Pyrimidine, 4-methoxy-5,6-dimethyl- (8CI) 25589-19-9 
Pyrimidine, 4-methoxy-5-methyl- (8CI,9CI) 17758-12-2 
Pyrimidine, 4-methoxy-5-methyl-, 1-oxide (9CI) 114969-58-3 
Pyrimidine, 4-methoxy-6-methyl-, 1-oxide (6CI,8CI,9CI) 17759-08-9 
Pyrimidine, 4-methyl-, 1-oxide (6CI,7CI,8CI,9CI) 17758-54-2 
Pyrimidine, 4-methyl-, 3-oxide (7CI,8CI,9CI) 33342-83-5 
Pyrimidine, 4-methyl-2-(1-methylethyl)- (9CI) 74502-86-6 
Pyrimidine, 4-methyl-2-(2-methylpropyl)- (9CI) 188708-03-4 
Pyrimidine, 4-methyl-2-(4-methylphenyl)- (9CI) 79382-86-8 
Pyrimidine, 4-methyl-5-nitro- (9CI) 99593-51-8 
Pyrimidine, 4-methyl-5-phenyl- (9CI) 57562-58-0 
Pyrimidine, 4-methyl-5-propyl- (9CI) 691886-09-6 
Pyrimidine, 4-methyl-6-(1-methylhydrazino)- (8CI) 23372-26-1 
Pyrimidine, 4-methyl-6-(methylthio)- (6CI,9CI) 62671-89-0 
Pyrimidine, 4-neopentyl- (8CI) 28918-80-1 
Pyrimidine, 4-nitro- (9CI) 122429-13-4 
Pyrimidine, 4-nitroso- (9CI) 504407-94-7 
Pyrimidine, 4-phenoxy- (9CI) 78430-23-6 
Pyrimidine, 4-phenyl-2-propyl- (7CI,9CI) 91806-19-8 
Pyrimidine, 4-propoxy- (9CI) 45815-15-4 
Pyrimidine, 4-propyl- (6CI,8CI,9CI) 30537-75-8 
Pyrimidine, 4-tetrazol-5-yl- (7CI) 92306-69-9 
Pyrimidine, 5-(1,1-dimethylethyl)- (9CI) 84822-63-9 
Pyrimidine, 5-(1,2-propadienyl)- (9CI) 848741-44-6 
Pyrimidine, 5-(1-chloroethenyl)-2-(methylthio)- (9CI) 87573-79-3 
Pyrimidine, 5-(1-chloroethyl)-2-(methylthio)- (9CI) 120717-48-8 
Pyrimidine, 5-(1-ethoxyethenyl)- (9CI) 220270-39-3 
Pyrimidine, 5-(1-fluoroethyl)-2-(methylthio)- (9CI) 120717-49-9 
Pyrimidine, 5-(1H-imidazol-2-yl)- (9CI) 496795-47-2 
Pyrimidine, 5-(1H-imidazol-5-yl)-2-methoxy- 882032-65-7 
Pyrimidine, 5-(1-isocyanatoethyl)- (9CI) 179322-40-8 
Pyrimidine, 5-(1-methyl-1,2-propadienyl)- (9CI) 503315-37-5 
Pyrimidine, 5-(1-pentynyl)- (9CI) 202828-83-9 
Pyrimidine, 5-(1-propynyl)- (9CI) 335084-02-1 
Pyrimidine, 5-(2-aminoethyl)-4-methyl- (6CI,7CI,8CI) 22126-37-0 
Pyrimidine, 5-(2-chloroethyl)-4-methyl- (8CI) 22126-35-8 
Pyrimidine, 5-(2-furanyl)- (9CI) 63558-71-4 
Pyrimidine, 5-(2-methyl-1-propenyl)- (9CI) 71418-86-5 
Pyrimidine, 5-(2-methylphenyl)- (9CI) 646534-34-1 
Pyrimidine, 5-(2-propenyloxy)- (9CI) 383901-85-7 
Pyrimidine, 5-(2-propynyloxy)- (9CI) 49547-39-9 
Pyrimidine, 5-(2-pyridinyl)- (9CI) 64858-29-3 
Pyrimidine, 5-(3-furanyl)- (9CI) 560994-06-1 
Pyrimidine, 5-(4-chlorobutyl)- (9CI) 88940-78-7 
Pyrimidine, 5-(4-ethylphenyl)- (9CI) 904707-56-8 
Pyrimidine, 5-(4-fluorophenyl)-2-methyl- (9CI) 82525-21-1 
Pyrimidine, 5-(6-chlorohexyl)- (9CI) 88940-79-8 
Pyrimidine, 5-(bromomethyl)- (8CI,9CI) 25198-96-3 
Pyrimidine, 5-(bromomethyl)-2-(2-methylphenyl)- (9CI) 875777-66-5 
Pyrimidine, 5-(bromomethyl)-2-(trifluoromethyl)- (9CI) 198404-35-2 
Pyrimidine, 5-(chloromethyl)- (9CI) 101346-02-5 
Pyrimidine, 5-(chloromethyl)-2-methyl- (9CI) 126504-86-7 
Pyrimidine, 5-(chloromethyl)-2-phenyl- (9CI) 886531-63-1 
Pyrimidine, 5-(diethylboryl)- (9CI) 139298-13-8 
Pyrimidine, 5-(difluoromethyl)-2-phenyl- (9CI) 137279-35-7 
Pyrimidine, 5-(ethoxymethyl)- (8CI,9CI) 25198-93-0 
Pyrimidine, 5-(ethylthio)- (6CI,9CI) 89882-06-4 
Pyrimidine, 5-(methylsulfinyl)- (8CI,9CI) 14080-21-8 
Pyrimidine, 5-(methylthio)- (8CI,9CI) 14257-02-4 
Pyrimidine, 5-(phenylmethyl)- (9CI) 92674-39-0 
Pyrimidine, 5-(trifluoromethyl)- (9CI) 176214-12-3 
Pyrimidine, 5-[(2-propynyloxy)methyl]- (9CI) 126230-78-2 
Pyrimidine, 5-[(2S)-2-azetidinylmethoxy]- (9CI) 228866-56-6 
Pyrimidine, 5-[(4,5-dihydro-1H-imidazol-2-yl)methyl]- 371123-01-2 
Pyrimidine, 5-[(aminooxy)methyl]-4,6-dimethoxy- (9CI) 451459-02-2 
Pyrimidine, 5-acetimidoyl- (7CI) 88393-90-2 
Pyrimidine, 5-amino-2-(m-aminophenyl)- (8CI) 17802-58-3 
Pyrimidine, 5-amino-4-(1-methylhydrazino)- (6CI,8CI) 6265-79-8 
Pyrimidine, 5-amino-4-(dimethylamino)- (8CI) 13784-16-2 
Pyrimidine, 5-amino-4,6-dimethyl-2-methylamino- (5CI) 856973-51-8 
Pyrimidine, 5-amino-4-chloro-6-methyl- (7CI) 89182-18-3 
Pyrimidine, 5-amino-4-ethylamino- (6CI) 101080-16-4 
Pyrimidine, 5-amino-4-fluoro-6-(methylamino)- (7CI,8CI) 767-89-5 
Pyrimidine, 5-amino-4-hydrazino- (6CI) 98022-68-5 
Pyrimidine, 5-amino-4-hydrazino-6-methyl- (7CI) 89211-54-1 
Pyrimidine, 5-amino-4-methoxy-2,6-dimethyl- (6CI) 100859-75-4 
Pyrimidine, 5-amino-4-methyl-6-(methylamino)- (8CI) 14675-45-7 
Pyrimidine, 5-bromo-2-(4-chlorophenyl)- (9CI) 177727-15-0 
Pyrimidine, 5-bromo-2-(4-fluorophenyl)- (9CI) 183437-94-7 
Pyrimidine, 5-bromo-2-ethyl- (9CI) 873331-73-8 
Pyrimidine, 5-bromo-4,6-dimethoxy-2-methyl- (7CI,8CI,9CI) 4319-83-9 
Pyrimidine, 5-bromo-4-methyl- (7CI,8CI,9CI) 1439-09-4 
Pyrimidine, 5-butyl- (8CI) 33115-33-2 
Pyrimidine, 5-butyl-2-methyl- (9CI) 64171-55-7 
Pyrimidine, 5-chloro-, 1-oxide (9CI) 114969-48-1 
Pyrimidine, 5-chloro-2-(iodomethyl)- (9CI) 83767-96-8 
Pyrimidine, 5-chloro-2,4-dimethyl- (9CI) 75712-73-1 
Pyrimidine, 5-chloro-2-fluoro- (9CI) 62802-37-3 
Pyrimidine, 5-chloro-2-fluoro-4-methyl- (9CI) 99429-16-0 
Pyrimidine, 5-chloro-4,6-dimethyl- (9CI) 75712-75-3 
Pyrimidine, 5-chloro-4-ethyl- (9CI) 137994-42-4 
Pyrimidine, 5-chloro-4-fluoro-2-methyl- (9CI) 99429-15-9 
Pyrimidine, 5-chloro-4-methoxy- (9CI) 114969-94-7 
Pyrimidine, 5-chloro-4-methyl-, 1-oxide (9CI) 114969-55-0 
Pyrimidine, 5-chloro-4-methyl-, 3-oxide (9CI) 114969-99-2 
Pyrimidine, 5-cyclobutyl-2-phenyl- (9CI) 90253-40-0 
Pyrimidine, 5-cyclopropyl-2-phenyl- (9CI) 90253-39-7 
Pyrimidine, 5-diazenyl- (9CI) 504407-93-6 
Pyrimidine, 5-ethenyl- (9CI) 53967-68-3 
Pyrimidine, 5-ethenyl-2,4-dimethyl- (9CI) 127588-31-2 
Pyrimidine, 5-ethenyl-2-methoxy- (9CI) 120717-41-1 
Pyrimidine, 5-ethoxy- (9CI) 27522-25-4 
Pyrimidine, 5-ethoxy-, 1-oxide (9CI) 141101-44-2