Showing structure for 6-{[4,5-dihydroxy-6-(methoxycarbonyl)-3-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}-7,12,16-trimethyl-15-[1-(5-methyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]pentacyclo[9.7.0.0¹,³.0³,⁸.0¹²,¹⁶]octadecane-7-carboxylic acid