英文名称
2-[1-[[5-[2-(carboxymethyl)-3-[[5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]methoxy]-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