Synonyms: Spiro[benz[cd]indole-5(1H),2'(5'H)-furan]-5'-one,8-chloro-3,4-dihydro-4'-methyl-4-(methylamino)-, trans-(?à)-; 8-Chlororugulovasine B;Spiro[benz[cd]indole-5(1H),2'(5'H)-furan]-5'-one,8-chloro-3,4-dihydro-4'-methyl-4-(methylamino)-, trans-; Toxin A (Penicilliumislandicum)