InChI=1/C20H16N2O3S/c1-24-15-8-6-13(7-9-15)11-21-22-20(23)18-10-14-12-25-17-5-3-2-4-16(17)19(14)26-18/h2-11H,12H2,1H3,(H,22,23)/b21-11+/f/h22H	643D4E4B0ACDDA31