Showing structure for 3,6,7,17,22-pentamethyl-8,19-dioxo-5,11,24-trioxahexacyclo[19.2.1.0⁴,¹⁰.0⁴,¹³.0¹³,²³.0¹⁶,²²]tetracosa-2,6,17-trien-12-yl acetate