InChI=1/C19H15N3O4S/c1-26-11-6-7-16-15(8-11)20-17(27-16)10-22-19(25)13-5-3-2-4-12(13)14(21-22)9-18(23)24/h2-8H,9-10H2,1H3,(H,23,24)/p-1/fC19H14N3O4S/q-1 12EEFCE318278272