Showing structure for 9,20-dihydroxy-4,5-dimethoxy-16-oxa-24-azapentacyclo[15.7.1.1⁸,¹².0²,⁷.0¹⁹,²⁴]hexacosa-2(7),3,5,8(26),9,11,13-heptaen-15-one