苯并呋喃-4-醇

1,5,6,7-四氢-1-甲基-4H-吲哚-4-酮

1-(2-hydroxyethyl)-2,3-dihydroindol-4-ol

4,5,6,7-四氢吲哚

1,5,6,7-四氢-4H-吲哚-4-酮