Synonyms: 1,13-Etheno-4,21a-methano-1H-azocino[1',2':1,5]pyrrolo[3,2-e]azacyclopentadecin-13(13aH)-ol,2,3,5,6,7,8,11,12,15,16,17,18,20a,21-tetradecahydro-24-(9H-pyrido[3,4-b]indol-1-yl)-,[1R-(1R*,9Z,13S*,13aR*,20aR*,21aR*)]-; 9H-Pyrido[3,4-b]indole,1,13-etheno-4,21a-methano-1H-azocino[1',2':1,5]pyrrolo[3,2-e]azacyclopentadecin-13(13aH)-olderiv.; Keramamine A; Manzamine A