Synonyms: 6-[(6-Carbamoyl-5-hydroxy-4-methoxy-3,6,7,8-tetrahydropyrrolo[3,2-e]indol-2-yl)carbonyl]-5-hydroxy-4-methoxy-3,6,7,8-tetrahydropyrrolo[3,2-e]indole-2-carboxylic acid;pyrrolo[3,2-e]indole-2-carboxylic acid, 6-[[6-(aminocarbonyl)-3,6,7,8-tetrahydro-5-hydroxy-4-methoxypyrrolo[3,2-e]indol-2-yl]carbonyl]-3,6,7,8-tetrahydro-5-hydroxy-4-methoxy-