4-氨基-N-甲基苯胺

1-(1-甲基-1H-吲哚-2-基)乙酮

1,3-二甲基-1H-吲哚-2-羧酸

2-[(N-methylanilino)carbamothioylsulfanyl]acetic acid

1-(N-methylanilino)-4,5-dihydrobenzo[g]indole-2,3-dione