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 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 5-Iodouracil
 4,5,6-Trichloropyrimidine Uracil-5-carboxylic acid monohydrate 2,4-Diamino-6-ethoxypyrimidine 2,4-Diamino-6-piperidinopyrimidine
 4-Bromo-2,6-dimethoxypyrimidine 2,4-Dihydroxy-5-nitropyrimidine 5-Nitro-6-methyluracil 2-Methoxy-4,6-dimethylpyrimidine
 2-Ethoxy-4,6-difluoropyrimidine 2-Ethoxy-4,6-dichloropyrimidine 2-Ethoxy-4,6-dihydroxypyrimidine 2-(Hydroxymethyl)pyrimidine
 (2-Amino-4-hydroxy-6-methyl-pyrimidin-5-yl)-acetic acid ethyl ester 2-Methylsulfanyl-pyrimidine-4-carboxylic acid 4-Pyrimidinol 5-Amino-2,4-dichloropyrimidine
 2-(Chloromethyl)pyrimidine 4-Amino-2,6-dihydroxypyrimidine 4-Ethyl-5-fluoropyrimidine 4-Chloro-7-methoxyquinazoline
 4-Chloro-5-methylpyrimidine 4-Chloro-5-ethylpyrimidine 2-Trifluoromethylpyrimidine 6-Trifluoromethyl pyrimidin-4-ylamine
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