9-benzyl-1-ethyl-4-oxo-1,2,3,4-tetrahydro-β-carboline

色胺

甲醇

2-benzoyl-1-ethyl-1,2,3,9-tetrahydro-4H-pyrido[3,4-b]indol-4-one

9-benzyl-1-ethylpyrido[3,4-b]indol-4-ol