Synonyms: 13,16-Methano-8H,16H-pyrrolo[2',3':2,3]pyrido[4,3-o]quinindoline,17-[(2R)-3,3-dimethyloxiranyl]-1,2,3,8a,9,14,15,16a-octahydro-9-methyl-1-[(2E,4E)-1-oxo-2,4-hexadienyl]-,(3aR,8aR,13bR,16R,16aS,17S)- (9CI); (+)-Communesin B; Communesin B; CommunesineB; Nomofungin