Showing structure for 17-(acetyloxy)-2,16-dimethyl-5-oxo-15-(1-{1,5,6,6-tetramethyl-2,7,8-trioxabicyclo[3.2.1]octan-3-yl}ethyl)-7-oxapentacyclo[9.7.0.0²,⁸.0⁶,⁸.0¹²,¹⁶]octadec-3-en-10-yl acetate