IUPAC: 8-methyl-5-(pyridin-2-yl)-3-oxa-9lambda6-thia-5,8-diazatricyclo[8.4.0.0^{2,7}]tetradeca-1(10),2(7),11,13-tetraene-4,6,9,9-tetrone

SMILES: CN1c2c(oc(=O)n(-c3ccccn3)c2=O)-c2ccccc2S1(=O)=O