英文名称
4-[[5-[(3-carboxy-4-methoxy-2-methyl-4-oxobutanoyl)oxymethyl]-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]methoxy]-5-[[5-(hydroxymethyl)-1,4a-dimethyl-6-methylidene-3,4,5,7,8,8a-hexahydro-2H-naphthalen-1-yl]methoxy]-3-methoxycarbonyl-5-oxopentanoic acid