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4-Chloro-5-methylpyrimidine

4-Chloro-5-ethylpyrimidine

2-Trifluoromethylpyrimidine

6-Trifluoromethyl pyrimidin-4-ylamine

6-Quinazolinemethanamine

5-Hydroxy-2-methylsulfanylthieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

5-Hydroxy-2-methylsulfanylfuro[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

4-Ethoxy-6-methylpyrimidine

2-Amino-5-pyrimidinecarboxyaldehyde

2,6-Diamino-4-methoxypyrimidine