Synonyms: 1H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-5,13(5aH,13aH)-dione,11a-(1,1-dimethyl-2-propenyl)-2,3,6,6a,11,11a-hexahydro-6a-hydroxy-,(5aS,6aR,11aS,13aS)- (9CI); 1H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-5,13(5aH,13aH)-dione,11a-(1,1-dimethyl-2-propenyl)-2,3,6,6a,11,11a-hexahydro-6a-hydroxy-, [5aS-(5aa,6ab,11ab,13aa)]-;1H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-5,13(5aH,13aH)-dione,11a-(1,1-dimethylallyl)-2,3,6,6a,11,11a-hexahydro-6a-hydroxy- (8CI);Brevianamide E