InChI=1/C15H14N2O3S/c1-10-8-13(18)17-15(16-10)21-9-12-4-2-11(3-5-12)6-7-14(19)20/h2-8H,9H2,1H3,(H,19,20)(H,16,17,18)/p-1/b7-6+/fC15H13N2O3S/h17H/q-1 F11805ADF93DBC26