 4-Amino-2-(ethylthio)-5-(hydroxymethyl)pyrimidine | 6-Hydroxy-2,4,5-triaminopyrimidine | 2,5-Diaminopyrimidine | 4-(3-Pyridinyl)-2-aminopyrimidine |
| 4,6-Dichloro-2-propylthiopyrimidine-5-amine | 4-Amino-2-(methylsulfanyl)pyrimidine-5-carbonitrile | 4,5-Diaminouracil | 4-Amino-7H-pyrrolo[2,3-d]pyrimidine |
| 4,6-Diamino-2-mercaptopyrimidine | N-(2-Amino-4,6-dichloro-5-pyrimidinyl)formamide | 2-Amino-5-pyrimidinecarboxyaldehyde | 4-Aminopyrazolo[3,4-d]pyrimidine |
| 2-Aminopyrimidine-5-carbonitrile | 4,6-Diamino-2-pyrimidinol | Pyrimidinetetramine sulfate | 2,4-Diaminopyrimidine |
| 5-Aminopyrimidine | Ethyl 4-amino-2-(methylthio)pyrimidine-5-carboxylate | 4-Aminopyrimidine | 2-Amino-4-(trifluoromethyl)pyrimidine |
| 4-Aminopyrimidine-5-carbonitrile | 5-Amino-4,6-dichloropyrimidine | 2-Aminopyrimidine-5-boronic acid | 5,7-Dichloro-1h-pyrazolo[4,3-d]pyrimidine |
| 5,7-Dichloro-3-isopropylpyrazolo[1,5-a]pyrimidine | 5-Pyrimidinecarbonitrile, 4-chloro- | 4-Amino-5-chloropyrimidine | 4-Chloropyrimidine hydrochloride |
| Methyl 4-amino-2-chloropyrimidine-5-carboxylate | 4-Amino-6-chloropyrimidine-5-carbonitrile | 2-Chloropyrimidine-5-boronic acid pinacol ester | 5-Pyrimidinecarboxylic acid, 4-amino-2-chloro-, ethyl ester |
| 2,4-Dichloro-5,6,7,8-tetrahydroquinazoline | 7-Chloro-pyrazolo[1,5-a]pyrimidine | 4,6-Dichloro-2,5-diphenylpyrimidine | 4,5-Dichloro-6-ethylpyrimidine |
| 4-Chloro-benzo[4,5]furo[3,2-d]pyrimidine | 2,4,6-Trichloro-5-nitropyrimidine | 4,6-Dichloropyrimidine-5-carbonitrile | 5,6-Dichloropyrimidin-4-amine |
| 2-Bromo-5-chloropyrimidine | 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine | 2-Chloropyrimidine-5-carbaldehyde | 6-Chloropyrimidine-4,5-diamine |
| 4-(4,6-Dichloropyrimidin-2-yl)morpholine | Ethyl 4-chloropyrimidine-5-carboxylate | 5-Acetaldehydeyl-4,6-dichloropyrimidine | 2,6-Diamino-4-chloropyrimidine 1-oxide |
| Methyl 2-chloropyrimidine-5-carboxylate | 5-Amino-4-chloropyrimidine | Methyl 2-chloropyrimidine-4-carboxylate | 4-Chloro-2-(methylsulfonyl)pyrimidine |
| 6-Chloro-1H-pyrazolo[3,4-d]pyrimidine | 5,7-Dichloropyrazolo[1,5-a]pyrimidine | 2,4-Dichloro-7H-pyrrolo[2,3-d]pyrimidine | 4-Chloro-5H-pyrrolo[3,2-d]pyrimidine |
| 5-Chloropyrazolo[1,5-a]pyrimidine | 2,4-Dichloro-5h-pyrrolo[3,2-d]pyrimidine | 2-Chloro-5-ethylpyrimidine | 1H-Pyrazolo[3,4-d]pyrimidine, 4,6-dichloro- |
| 4-Chloro-2-methylthiopyrimidine | 2-Amino-4,6-dichloro-5-formylpyrimidine | 2-Chloro-5-pyrimidinylcarboxylic acid | 2,5-Dichloropyrimidine |
| 5-Amino-2,4-dichloropyrimidine | 2-Chloropyrimidine | 4-Amino-6-chloro-2-methylPyrimidine | 2,4,6-Trichloropyrimidine |
| 2,4-Dichloropyrimidine | 4,6-Dihydroxypyrimidine | 5-Bromo-2-chloropyrimidine | Methyl-2,4-Dichloro pyrimidine 6-carboxylate |
| 5-Bromo-2,4-dichloropyrimidine | 4-Amino-2,6-dichloropyrimidine | Ethyl 2-chloropyrimidine-5-carboxylate | 2,5-Diamino-4,6-dichloropyrimidine |
| 2,4,5-Trichloropyrimidine | 4-Amino-6-chloro-5-pyrimidinol | Ethyl-4-Amino-2-hydroxypyrimidine-5-carboxylate | 4-Hydroxypyrimidine |
| 5-Fluoropyrimidine-4,6-diol | 2-Amino-4-hydroxypyrimidine-5-carboxylic acid ethyl ester | 2-Amino-6-ethylpyrimidin-4-ol | 5-Hydroxypyrimidine |
| 4-Hydroxypyrimidine-5-carboxylic acid ethyl ester | 6-Hydroxy-4-pyrimidinecarboxylic acid | 7H-Pyrrolo[2,3-d]pyrimidine-2,4-diol | 2-Amino-4,6-dihydroxypyrimidine |
| 2-Hydroxypyrimidine hydrochloride | 5-Bromo-2-hydroxypyrimidine | 2,4-Diamino-6-hydroxypyrimidine | 2,4,5-Triamino-6-hydroxypyrimidine sulfate |
| 4,5-Diamino-6-hydroxypyrimidine | 2-Chloro-5-hydroxypyrimidine | 2,4-Dimethyl-6-hydroxypyrimidine | 2,4-Dihydroxy-5-methoxypyrimidine |
| 2,5-Diamino-4,6-dihydroxypyrimidine hydrochloride | 6-Chloro-3-methyluracil | 5-Aminouracil | 5-Iodouracil |
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