Pyrido
[(9,14,15-trioxo-2,3,10,11,11a,12,13,13a-octahydro-9H,11bH-1,12-ethanopyrido[1,2,3-lm]pyrrolo[2,3-d]carbazol-11-yl)oxy]acetic acid
21H-18,20a-Epoxy-1,13-etheno-4,21a-methano-1H-azocino[1',2':1,5]pyrrolo[3,2-e]azacyclopentadecin-13(13aH)-ol,2,3,5,6,7,8,11,12,15,16,17,18,19,20-tetradecahydro-25-(6-hydroxy-9H-pyrido[3,4-b]indol-1-yl)-,[1R-(1R*,9Z,13S*,13aR*,18R*,20aS*,21aR*)]-