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