 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 | Pyrimidine-5-carbaldehyde |
| 2-Methoxypyrimidine-5-carbaldehyde | 2-(Methylthio)pyrimidine-5-carbaldehyde | 2-Ethylpyrimidine-5-carbaldehyde | 5-Bromo-2,4-dimethoxypyrimidine |
| 6-Hydroxy-2-methylpyrimidine-4-acetic acid methyl ester | 2-Chloro-4,6-dimethylpyrimidine | 2,4,6-Trichloropyrimidine-5-carbaldehyde | 5-Chloro-2-iodopyrimidine |
| 4-Hydroxypyrimidine-5-carboxylic acid methyl ester | 2,4,6-Trifluoropyrimidine | 4-Hydroxypyrimidine-5-carbonitrile | 2-Chloro-5-methylpyrimidine |
| 5-Fluoropyrimidine-4,6-diol | 5-Cyano-4-amino-2-ethylsulfanylpyrimidine | 5-Aminomethylpyrimidine-2,4-diamine | 5-Chlorouracil |
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