邻硝基苯甲酸

2-甲基吲哚

ethyl 4-methyl-3-(2-nitrophenyl)-1H-pyrrole-2-carboxylate

1-[2,5-dimethyl-4-(2-nitrophenyl)furan-3-yl]ethanone

1,3,4-trimethylfuro[3,4-c]quinoline