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 2-Amino-5-bromo-4,6-dimethylpyrimidine 1,3-Dimethyl-5-bromoorotic acid 4-Amino-2-chloro-5-fluoropyrimidine 5-Bromocytosine
 2-Amino-4-piperidino-6-methylpyrimidine 2-Amino-4-phenoxy-6-methylpyrimidine 2-Amino-5-bromo-4-hydroxy-6-phenylpyrimidine 2-Amino-6-fluoro-4-hydrazinopyrimidine
 2-Amino-4-fluoro-6-phenoxypyrimidine 2-Amino-4-chloro-6-phenylpyrimidine 2,4-Diamino-6-fluoropyrimidine 5-Bromo-4,6-dihydroxypyrimidine
 2-Amino-6-fluoro-4-methoxypyrimidine 2-Amino-4-hydroxy-6-phenylpyrimidine 2-Amino-4-hydroxy-6-phenoxypyrimidine 2-Amino-4-hydroxy-6-hydrazinopyrimidine
 2-Amino-4-hydrazino-6-methylpyrimidine 2-Amino-4,6-difluoropyrimidine 4,6-Dichloro-2-methylmercaptopyrimidine 2-Chloropyrimidine
 4-Amino-2-(ethylthio)-5-pyrimidinecarboxylic acid ethyl ester 4-Amino-2-(ethylthio)-5-(hydroxymethyl)pyrimidine 2,4-Diamino-6-hydroxypyrimidine 4,6-Dimethoxy-2-methylpyrimidine
 4,6-Dichloro-2-methylpyrimidine 5-Fluoro-4-hydroxypyrimidine 4-Ethyl-5-fluoro-6-hydroxypyrimidine 4-Ethyl-5-fluoropyrimidine
 2,4,5-Trichloropyrimidine 2,4-Dichloro-5-fluoropyrimidine 3-Bromoimidazo[1,2-a]pyrimidine 5-Bromo-2,4-dichloropyrimidine
 2,4-Bis(benzyloxy)pyrimidine-5-boronic acid Benzyl 2-chloro-4-(trifluoromethyl)pyrimidine-5-carboxylate 4-Aminopyrimidine-5-carbonitrile 2-[N-(4-Aminophenyl)amino]-4,6-dimethylpyrimidine
 2-Amino-5-nitropyrimidine 4-Amino-2-(methylthio)pyrimidine-5-carboxamide 2-Amino-4-hydroxy-6-(trifluoromethyl)pyrimidine 4-Amino-5-cyano-2-methylpyrimidine
 4-Amino-2-chloro-5-pyrimidinecarbonitrile 5-Acetyl-2-amino-4-methylpyrimidine 4,6-Dihydroxy-2-methylpyrimidine 5,6-Diamino-4-hydroxy-2-mercaptopyrimidine
 6-Chloro-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione 5-Methoxy-2-sulfanyl-4-pyrimidinol 4-Propoxypyrimidine-2-thiol 2-Mercapto-6-(methoxymethyl)pyrimidin-4-ol
 2-Mercapto-6-methylpyrimidin-4-ol 2-Chloro-4-hydroxy-5-fluoropyrimidine 2-Mercapto-6-propylpyrimidin-4-ol L-2-Mercapto-4-hydroxy-5-fluoropyrimidine
 5-Fluoro-2-methoxy-3H-pyrimidin-4-one 2-Ethoxy-5-fluoro-4(3H)-pyrimidinone 1-(2-Hydroxyethyl)pyrimidine-2,4(1H,3H)-dione 1-Methyl-2,4(1H,3H)-pyrimidinedione
 2-Amino-4,6-dichloro-5-formamidopyrimidine 2-Chloro-4,6-dimethoxypyrimidine 2,4-Dichloro-5-methoxypyrimidine 2,4,6-Triamino-5-nitropyrimidine
 6-Hydroxynicotinic acid ethyl ester 6-Hydroxynicotinohydrazide 6-Hydroxynicotinic acid methyl ester 4-Amino-3-nitro-2-pyridinol
 4-Amino-5-nitro-2-pyridinol 3,4-Diamino-2-pyridinol 2,4,5-Triaminopyridine Pyridine-2,3,4-triamine
 2-Chloro-3,4-pyridinediamine 6-Chloropyridine-3,4-diamine hydrochloride 2,4-Dichloro-3-nitropyridine 4-Amino-2-chloro-3-nitropyridine
 4-Amino-2-chloro-5-nitropyridine 2-Chloro-3-nitropyridin-4-ol 5-Methylpyridin-3-ylamine (5-Bromopyridin-2-yl)hydrazine
 2,4-Diaminopyrimidine-5-carboxaldehyde 2,4-Diamino-5-cyanopyrimidine Pyrimidine-4,5,6-triamine 5-Isopropyl-2-pyrimidinamine
 2-Hydroxy-4-trifluoromethylpyrimidine-5-carboxylic acid ethyl ester 4-Hydroxypyrimidine-5-carboxylic acid ethyl ester (4-Hydroxy-2,6-dimethylpyrimidin-5-yl)acetic acid 4,6-Dimethyl-2-methylsulfanylpyrimidine
 4-Methyl-6-chloropyrimidine 2-Aminopyrimidin-5-ol 4-(4,6-Dichloropyrimidin-2-yl)morpholine 4,6-Dichloro-2-methyl-5-nitropyrimidine
 5-Bromopyrimidine 4,6-Dihydroxy-2-methylthiopyrimidine 5-Bromo-4,6-dichloropyrimidine 2,4-Dimercapto-5,6-diaminopyrimidine
 5-Amino-4-methylpyrimidine 5-Bromo-4-methylpyrimidin-2-ylamine 2-Amino-4-methylpyrimidine-5-carbonitrile 4,6-Dimethylpyrimidine
 6-(2,6-Dichlorophenoxy)pyrimidine-2,4-diamine 6-Hydroxy-2,4,5-triaminopyrimidine 4,6-Dimethylpyrimidine-2-sulfonamide Ethyl 4-pyrimidinecarboxylate
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