Showing structure for (12r)-15-hydroxy-16-methoxy-1-methyl-5,7-dioxa-1-azapentacyclo[10.8.0.0²,¹⁰.0⁴,⁸.0¹³,¹⁸]icosa-2,4(8),9,13(18),14,16-hexaen-1-ium