5-Methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indole-3-carboxylic acid ethyl ester

1,2-dimethyl-5-methoxy-4-nitroindole-3-carboxaldehyde

4-amino-1,2-dimethyl-5-methoxyindole-3-carboxaldehyde

5-甲氧基-2-甲基吲哚

5-甲氧基-2-甲基-1H-吲哚-3-甲醛