IUPAC:(1S,4aR,5S,8aR)-5-[2-(5-methoxy-2-oxo-2,5-dihydrofuran-3-yl)ethyl]-1,4a-dimethyl-6-methylidene-decahydronaphthalene-1-carboxylic acid
IUPAC:(1S,4aR,5S,8aR)-5-[2-(5-methoxy-2-oxo-2,5-dihydrofuran-3-yl)ethyl]-1,4a-dimethyl-6-methylidene-decahydronaphthalene-1-carboxylic acid