2-[2-(1H-indol-3-yl)ethyl]-7H-2,7-naphthyridine-1,3-dione

methyl 2-[2-(1H-indol-3-yl)ethylamino]acetate

2-ethyl-4-hydroxy-N-[2-(1H-indol-3-yl)ethyl]butanamide

(4-bromophenyl)-(9H-pyrido[3,4-b]indol-1-yl)methanone

2,2,2-trifluoro-N-[2-[1-(2,2,2-trifluoroacetyl)indol-3-yl]ethyl]acetamide