Showing structure for (12s)-2,16,17-trimethoxy-11-methyl-4,6-dioxa-11-azapentacyclo[10.7.1.0³,⁷.0⁸,²⁰.0¹⁴,¹⁹]icosa-1,3(7),8(20),14(19),15,17-hexaene