4-[2-(1H-indol-3-yl)ethylamino]-4-oxobut-2-enoic acid

spiro[2,3,4,9-tetrahydropyrido[3,4-b]indole-1,1'-cyclopentane]

N-乙基烟酰胺

N-[2-(1H-Indol-3-yl)ethyl]benzamide

4,9-二氢-3H-吡啶并(3,4-B)吲哚