Synonyms: Ophiobola-7,19-diene-3,5,25-triol,14,18-epoxy-, (5a)-;Ophiobola-7,19-diene-3,5a,25-triol, 14,18-epoxy- (8CI); Ophiobotriol;Spiro[dicyclopenta[a,d]cyclooctene-3(2H),2'(3'H)-furan]-7,9-diol, 1,3a,4,4',5',6a,7,8,9,9a,10,10a-dodecahydro-6-(hydroxymethyl)-3',9,10a-trimethyl-5'-(2-methyl-1-propenyl)-,[3S-[3a(3'R*,5'S*),3aa,6ab,7a,9a,9ab,10ab]]-