Showing structure for 16-methoxy-5,7-dioxa-13λ⁵-azapentacyclo[11.8.0.0²,¹⁰.0⁴,⁸.0¹⁵,²⁰]henicosa-1(13),2,4(8),9,14,16,18,20-octaen-13-ylium-17-olate