Showing structure for (12r)-18-hydroxy-16-methoxy-3,5-dioxa-11-azapentacyclo[10.7.1.0²,⁶.0⁸,²⁰.0¹⁴,¹⁹]icosa-1(20),2(6),7,9,14,16,18-heptaen-13-one