methyl 3,4-diacetyl-1,2-dihydro-3H-5-methoxypyrrolo[3,2-e]indole-7-carboxylate

methyl 5-hydroxy-4-methoxy-3,6,7,8-tetrahydropyrrolo[3,2-e]indole-2-carboxylate

3,6-dihydro-4-((diethoxyphosphinyl)oxy)-5-methoxy-7-(methoxycarbonyl)benzo(1,2-b:4,3-b')dipyrrole

methyl 1,2,3,6-tetrahydro-4-((diethoxyphosphinyl)oxy)-5-methoxy-benzo(1,2-b:4,3-b')dipyrrole-7-carboxylate

methyl 6-carbamoyl-5-((diethoxyphosphoryl)oxy)-4-methoxy-3,6,7,8-tetrahydropyrrolo[3,2-e]indole-2-carboxylate