IUPAC:(3aR,4R,5aR,6R,9aS,9bR)-6-hydroxy-5a-methyl-3,9-dimethylidene-2-oxo-dodecahydronaphtho[1,2-b]furan-4-yl (2E)-2-methylbut-2-enoate
IUPAC:(3aR,4R,5aR,6R,9aS,9bR)-6-hydroxy-5a-methyl-3,9-dimethylidene-2-oxo-dodecahydronaphtho[1,2-b]furan-4-yl (2E)-2-methylbut-2-enoate