1232-76-4 Dicyclopenta[a,f]naphthalen-2(3H)-one,6-acetyl-3a,3b,4,5,5a,6,7,8,8a,8b,9,10-dodecahydro-3a,5a-dimethyl-,(3aR,3bS,5aS,6S,8aS,8bS)- 124182-85-0 3,8b-Methano-8bH-cyclobuta[h]-1-benzopyran-5(7H)-one,2,3,4,4a,8,8a-hexahydro-9-hydroxy-3,6,8a-trimethyl-, (3a,4aa,8aa,8ba,9R*)-(-)-