tert-butyl 4-(2-oxo-2,3-dihydro-1H-indol-1-yl)azepane-1-carboxylate

ethyl 4-((3-(2-oxoindolin-1-yl)azetidin-1-yl)methyl)piperidine-1-carboxylate

ethyl 4-((4-(2-oxoindolin-1-yl)azepan-1-yl)methyl)piperidine-1-carboxylate

tert-butyl 2,3-dimethoxy-6-phenylindolo[2,1-a]isoquinoline-12-carboxylate

tert-butyl 2,3-dimethoxy-6-(4-(trifluoromethyl)phenyl)indolo[2,1-a]isoquinoline-12-carboxylate