Showing structure for (20r)-20-{[(4ar,5r,8s,8as)-8-isopropyl-5-methoxy-5-methyl-4,4a,6,7,8,8a-hexahydro-3h-naphthalen-2-yl]methyl}-17,18-dimethoxy-21-methyl-5,7-dioxa-21-azapentacyclo[11.8.0.0²,¹⁰.0⁴,⁸.0¹⁴,¹⁹]henicosa-1(13),2,4(8),9,11,14,16,18-octaene