Synonyms: 7,11-Methanocyclonona[c]pyran-1(3H)-one,decahydro-8,11-dihydroxy-7-methyl-4-(4-methyl-2-pentenylidene)-, [4aS-[4E(E),4aa,7b,8b,11a,11ab]]-; 7,11-Methanocyclonona[c]pyran-1(3H)-one,decahydro-8,11-dihydroxy-7-methyl-4-[(2E)-4-methyl-2-pentenylidene]-,(4E,4aS,7S,8S,11R,11aR)- (9CI); (+)-Florlide B; Florlide B