4-cyanomethyl-2,6-dimethoxy-5-nitropyrimidine

2,4-dimethoxy-6-[2-(dimethylamino)vinyl]-5-nitropyrimidine

2,4-dimethoxy-6-methyl-5-nitropyrimidine

6-(bromomethyl)-2,4-dimethoxy-5-nitropyrimidine

2,4-二氯-5-硝基-6-甲基嘧啶