4-甲氧基-5H-吡咯并[3,2-d]嘧啶

4-methoxy-5-nitro-6-(trimethylsilylethynyl)pyrimidine

6-(2,2-dimethoxyethyl)-4-methoxy-5-nitropyrimidine

6-methyl-5-(phenylhydrazinylidene)-2-sulfanylidenepyrimidin-4-one

6-(2,2-dimethoxyethyl)-4-methoxypyrimidine-5-amine