Synonyms: 5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran-5,6(7H)-dione,1,2,3,3ab,8b,9,10,10a,13,13ab-decahydro-10a,13-dihydroxy-1,1-dimethyl-7-methylene- (8CI);5H-5a,8-Methano-11H-cyclohepta[c]furo[3,4-e][1]benzopyran, enmein deriv.;Epinodosin