英文别名methyl 3-((1aS,3aR,4R,6aS,6bS,7aR,10aR,10bR)-3a,6a-dimethyl-4-((R,E)-6-methyl-7-oxohept-5-en-2-yl)-10-methylene-9-oxododecahydro-1H-cyclopenta[7,8]cyclopropa[4,4a]naphtho[2,3-b]furan-10b(2H)-yl)propanoate; Methyl 3-[(1aS,3aR,4R,6aS,6bS,7aR,10aR,10bR)-3a,6a-dimethyl-10-methylene-4-[(2R,5E)-6-methyl-7-oxo-5-hepten-2-yl]-9-oxododecahydro-1H-cyclopenta[7,8]cyclopropa[4,4a]naphtho[2,3-b]furan-10b(2H)-yl]propanoate; 1H-Cyclopenta[7,8]cyclopropa[4,4a]naphtho[2,3-b]furan-10b(2H)-propanoic acid, 4-[(1R,4E)-1,5-dimethyl-6-oxo-4-hexen-1-yl]dodecahydro-3a,6a-dimethyl-10-methylene-9-oxo-, methyl ester, (1aS,3aR,4R,6aS,6bS,7aR,10aR,10bR)- 
