Showing structure for 8-hydroxy-5-[(3-hydroxy-3-methylbutanoyl)oxy]-10-methyl-11-oxo-4,12-dioxapentacyclo[7.7.0.0¹,⁶.0²,¹³.0¹⁰,¹⁵]hexadec-2-en-14-yl 3-(acetyloxy)-2-methylbutanoate