Showing structure for 7-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)-1-hydroxyethyl]-4,7,16,17-tetrahydroxy-8,12-dimethyl-18-oxapentacyclo[13.2.1.0³,¹¹.0⁴,⁸.0¹²,¹⁷]octadecan-13-one