Synonyms: Cyclopenta[4',5']cyclonona[1',2':1,5]cyclopent[1,2-b]oxirene-4,8,9(5H)-trione,5a,6,7,8a,9a,10,11,11a-octahydro-3,6,6,8a,11-pentamethyl-,(1aR,5aR,8aS,9aS,11R,11aS)- (9CI);Cyclopenta[4',5']cyclonona[1',2':1,5]cyclopent[1,2-b]oxirene-4,8,9(5H)-trione,5a,6,7,8a,9a,10,11,11a-octahydro-3,6,6,8a,11-pentamethyl-,[1aR-(1aR*,5aR*,8aS*,9aS*,11R*,11aS*)]-; Citlalitrione