Showing structure for 10-(acetyloxy)-16-[5-(3,3-dimethyloxiran-2-yl)-2-oxo-5h-furan-3-yl]-2,6,6,11-tetramethyl-8-oxo-7-oxapentacyclo[13.3.1.0¹,¹⁵.0²,¹².0⁵,¹¹]nonadecan-3-yl acetate