英文名称
methyl 5-ethylidene-4-[2-[[6-ethylidene-14,17-dimethyl-3,11-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,8,12-trioxatricyclo[13.2.1.05,10]octadec-9-en-16-yl]methoxy]-2-oxoethyl]-6-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4H-pyran-3-carboxylate