2-溴褪黑素

6-甲氧基-1-甲基-9H-吡啶并(3,4-b)吲哚

2,3,4,9-四氢-6-甲氧基-1H-吡咯[3,4-B]吲哚

6-甲氧基-2,3,4,9-四氢-1H-beta-咔啉-1-酮

6-甲氧基-1-甲基-2,3,4,9-四氢-1H-吡啶并[3,4-b]吲哚