 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 | Trifluorothymine |
| 5-Bromouracil | 6-(Trifluoromethyl)uracil | 5-Bromo-6-azauracil | 2-Methoxy-5-fluorouracil |
| 6-Bromoimidazo[1,2-a]pyrimidine | 3-Bromoimidazo[1,2-a]pyridine | 5-Bromo-4-chloro-7H-pyrrolo(2,3-d)pyrimidine | 5-Bromopyrimidine |
| 2-Bromopyrimidine | 2-Amino-5-bromopyrimidine | 5-Bromo-2-methylpyrimidine | 5-Iodo-7h-pyrrolo[2,3-d]pyrimidine |
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