| Synonyms: | brevianamide A;Nsc 208423;Spiro(5H,6H-5A,9A-(iminomethano)-1H-cyclopent(F)indolizine-7(8H),2'-(2H)indole)-3',5,10(1'H)-trione, 2,3,8A,9-tetrahydro-8,8-dimethyl- (van) (9ci);Spiro[5H,6H-5a,9a-(iminomethano)-1H-cyclopent[f]indolizine-7(8H),2'-[2H]indole]-3',5,10(1'H)-trione, 2,3,8a,9-tetrahydro-8,8-dimethyl-, (2'R,5aR,8aS,9aR)- |