Showing structure for 19-hydroxy-2,7,7,13,18,21-hexamethyl-6,11,14,16-tetraoxahexacyclo[16.3.1.0³,⁸.0¹⁰,²¹.0¹²,²⁰.0¹⁵,¹⁹]docosa-3,8,12(20)-triene-5,17-dione