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

(E)-5-acetylamino-4-(2-ethoxyethenyl)-6-methoxypyrimidine

4-氯-6-甲氧基-5-硝基嘧啶

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

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