7-甲基-5-硝基-1H-吲唑

(2-methyl-4-nitrophenyl)hydrazine

1-甲基-4-(2-甲基-4-硝基苯基)哌嗪

3-甲基-4-(4-甲基-1-哌嗪)苯胺

diethyl 2-methyl-2-(2-methyl-4-nitrophenyl)propanedioate