N-(2-indol-1-ylethyl)acetamide

3-bromo-4-(2,3-dihydroindol-1-yl)-1-methylpyrrole-2,5-dione

1-benzyl-3-bromo-4-indol-1-ylpyrrole-2,5-dione

3,4-di(indol-1-yl)pyrrole-2,5-dione

8-bromo-1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one