InChI=1/C19H15FN2O3S/c1-12(23)21-15-8-6-13(7-9-15)10-17-18(24)22(19(25)26-17)11-14-4-2-3-5-16(14)20/h2-10H,11H2,1H3,(H,21,23)/b17-10+/f/h21H 4A23FD0AF4860F1E