Showing structure for (1z,5s,10r,12e,14r,16r,17s,20r)-16-hydroxy-9-isopropyl-8-methoxy-2,5,13,16-tetramethyl-6,15,19-trioxatetracyclo[12.5.1.0⁵,¹⁰.0¹⁷,²⁰]icosa-1,8,12-triene-7,18-dione