InChI=1/C17H14N3O3S/c1-12-6-8-15(9-7-12)24(22,23)20-18-11-14-10-13-4-2-3-5-16(13)19-17(14)21/h2-11H,1H3,(H,18,19,21)/q-1/f/h19H/b18-11+ D0F5CB896A2988AF