Synonyms: 1H-Cyclopenta[c]furan-1-one,hexahydro-4-hydroxy-3-(1,4,7,10-tridecatetraenyl)-, [3R-[3a(1Z,4Z,7Z,10Z),3ab,4a,6ab]]-; 1H-Cyclopenta[c]furan-1-one,hexahydro-4-hydroxy-3-(1Z,4Z,7Z,10Z)-1,4,7,10-tridecatetraenyl-,(3R,3aS,4R,6aS)- (9CI); (-)-Bacillariolide II; Bacillariolide II