环己酮

6-benzyl-6H-indolo[2,3-b]quinoline

3-(2-aminobenzyl)-2,3-dihydro-1H-indol-2-one

11-(methylsulfanyl)-6H-1,2,3,4-tetrahydro-(indolo[2,3-b]quinoline)

3-[bis(methylsulfanyl)methylene]-2-oxindole