Showing structure for 18-benzyl-5,20-dihydroxy-5,7,15,16-tetramethyl-6-oxo-10,14-dioxa-19-azapentacyclo[10.8.0.0¹,¹⁷.0⁹,¹¹.0¹³,¹⁵]icosa-3,19-dien-2-yl acetate