Synonyms: 2H-Cyclohepta[b]furan-2-one,3,3a,4,5,6,8a-hexahydro-7-(1-hydroxy-3-oxobutyl)-6-methyl-3-methylene-,(1S,3aS,6S)-(-)- (8CI); 2H-Cyclohepta[b]furan-2-one,3,3a,4,5,6,8a-hexahydro-7-(1-hydroxy-3-oxobutyl)-6-methyl-3-methylene-,[3aS-[3aa,6b,7(R*),8aa]]-; Parthemollin