3776-39-4 4-18-00-03114 (Beilstein Handbook Reference) 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,7R,8R,10aS,10bS,13R,13aR)- BRN 0047118 Enmein Isodonin Isodonine NSC 526961 Sculponeatin D