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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

5-Amino-2,4-dichloropyrimidine

2-(Chloromethyl)pyrimidine

4-Chloro-7-methoxyquinazoline

4-Chloro-5-methylpyrimidine

4-Chloro-5-ethylpyrimidine

2-Trifluoromethylpyrimidine