InChI=1/C19H14N2O3S/c22-17(13-6-2-1-3-7-13)18-16(15-9-5-11-24-15)21-19(25-18)20-12-14-8-4-10-23-14/h1-11H,12H2,(H,20,21)/f/h20H 6D46B28B8CF56A26