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