Synonyms: 5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione,decahydro-2,13-dihydroxy-1,1-dimethyl-7-methylene-,(2S,3aS,5aS,8R,10aS,10bS,13R,13aR)- (8CI); Bicyclo[3.2.1]octane-1-carboxylicacid,6-methylene-7-oxo-2-(tetrahydro-1,4,6-trihydroxy-7,7-dimethyl-3a(4H)-phthalanyl)-,d-lactone (7CI); Isodonin (6CI);5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran, enmein deriv.;5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione,decahydro-2,13-dihydroxy-1,1-dimethyl-7-methylene-, [2S-(2a,3aa,5aa,8a,10ab,10bR*,13a,13aa)]-; Isodonine; NSC 526961;[2S-(2a,3aa,5aa,8a,10ab,10bR*,13a,13aa)]-Decahydro-2,13-dihydroxy-1,1-dimethyl-7-methylene-5H-5a,8-methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione