1,1,4-trimethyl-2H-cyclopenta[b]indol-3-one

3-chloro-1-methylindole-2-carbaldehyde

1-甲基吲哚-3-甲醛

1-(1-甲基-1H-吲哚-3-基)-1-乙酮

3-乙酰基-2-氯-1-甲基吲哚