英文名称
2-[1-[[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]oxy-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]methoxy]-3-methoxy-3-oxopropyl]butanedioic acid