Synonyms: 10H,12H-15a,11-[3]Octenooxireno[m]pyrido[3,4-j]-1-benzazacycloundecine,1,2,3,4,5,8,9,13,13a,14,14a,15b-dodecahydro-14-(9H-pyrido[3,4-b]indol-1-yl)-,[9aR-(6Z,9aR*,13aS*,14R*,14aS*,15aR*,15bR*,18Z)]-; 9H-Pyrido[3,4-b]indole, 10H,12H-15a,11-[3]octenooxireno[m]pyrido[3,4-j]-1-benzazacycloundecinederiv.; (+)-Manzamine B; Manzamine B