Showing structure for 4-(acetyloxy)-10-[(acetyloxy)methyl]-9,11-dihydroxy-13,16,16-trimethyl-18-oxo-6,17-dioxapentacyclo[9.4.3.0¹,¹².0³,¹⁰.0⁴,⁷]octadec-12-en-2-yl benzoate