3-diazo-2,3-dihydro-2-methyl-2-(4-nitroanilino)-1,4-naphthoquinone

N1-(p-chlorobenzoyl)-N1-(α-phenethyl)-N2-(p-nitrophenyl)formamidine

甲酸甲酯

N-[2-(4-Chloro-phenyl)-ethyl]-N'-(4-nitro-phenyl)-formamidine

1-异氰基-4-硝基苯