Showing structure for (2r,3s,5r,9s,11s,12s,14s,17r)-2,10-dihydroxy-3,5,11,12-tetramethyl-15,18,19-trioxahexacyclo[9.5.2.1²,⁵.0⁷,¹⁷.0⁹,¹⁴.0¹⁴,¹⁷]nonadecane-6,16-dione