3-Benzo[1,3]dioxol-4-yl-4-(1,2,3,4-tetrahydro-[1,4]diazepino[6,7,1-hi]indol-7-yl)-pyrrole-2,5-dione

3-Imidazo[1,2-a]pyridin-3-yl-4-(1,2,3,4-tetrahydro-[1,4]diazepino[6,7,1-hi]indol-7-yl)-pyrrole-2,5-dione

3-(6-(tert-butoxycarbonyl)-4,5-dihydro-6H-[1,4]diazepino[6,7,1-hi]indol-1-yl)-4-(1H-indol-3-yl)pyrrole-2,5-dione

7-[4-(1H-Indol-7-yl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl]-3,4-dihydro-1H-[1,4]diazepino[6,7,1-hi]indole-2-carboxylic acid tert-butyl ester

7-(4-Imidazo[1,2-c]pyrimidin-3-yl-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl)-3,4-dihydro-1H-[1,4]diazepino[6,7,1-hi]indole-2-carboxylic acid tert-butyl ester