Showing structure for 5-[4-(dimethylamino)-5-hydroxy-6-methyloxan-2-yl]-4-hydroxy-17-methyl-12,16,18-trioxapentacyclo[8.7.1.0¹,¹⁰.0³,⁸.0¹¹,¹⁵]octadeca-3,5,7-triene-2,9,13-trione