Showing structure for (13s)-3-methoxy-13-methyl-24-oxo-5,7,17,19-tetraoxa-13-azahexacyclo[11.11.0.0²,¹⁰.0⁴,⁸.0¹⁵,²³.0¹⁶,²⁰]tetracosa-2(10),3,8,15,20,22-hexaen-13-ium