Showing structure for (1s,3r,11r,12r,13s,14s,17s,19r)-12-hydroxy-1,11,14,18,18-pentamethyl-8-oxo-7-oxapentacyclo[11.8.0.0³,¹¹.0⁵,⁹.0¹⁴,¹⁹]henicos-5(9)-en-17-yl acetate