Synonyms: 1,13-Etheno-4,21a-methano-1H-azocino[1',2':1,5]pyrrolo[3,2-e]azacyclopentadecin-18(15H)-one,2,3,5,6,7,8,11,12,13,13a,16,17,19,20,20a,21-hexadecahydro-13-hydroxy-24-(8-hydroxy-9H-pyrido[3,4-b]indol-1-yl)-,[1R-(1R*,9Z,13S*,13aR*,20aS*,21aR*)]-; 1H-Pyrido[3,4-b]indole,1,13-etheno-4,21a-methano-1H-azocino[1',2':1,5]pyrrolo[3,2-e]azacyclopentadecin-18(15H)-onederiv.; (+)-Keramamine B; (+)-Manzamine F; Keramamine B; Manzamine F