英文名称
2-hydroxy-2-[[11-hydroxy-2-[4-[8-hydroxy-6-[1-hydroxy-3-(3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)butyl]-7-methylidenespiro[4,4a,5,6,8,8a-hexahydro-3H-chromene-2,5'-oxolane]-2'-yl]but-3-en-2-yl]-4-methyl-1,7-dioxaspiro[5.5]undec-4-en-8-yl]oxy]propanoic acid