InChI=1/C20H16N2O3S/c1-24-14-7-3-12(4-8-14)17-16(11-21)26-19(20(22)23)18(17)13-5-9-15(25-2)10-6-13/h3-10H,1-2H3,(H2,22,23)/f/h22H2 1487B54C8D28B3D0