Showing structure for [3-ethenyl-5-({[4-(methoxycarbonyl)-7-methyl-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,5h,6h,7h,7ah-cyclopenta[c]pyran-6-yl]oxy}carbonyl)-2-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,4-dihydro-2h-pyran-4-yl]acetic acid