InChI=1/C17H16N3O5S/c1-11-6-7-12(17(21)18-13-8-9-13)10-14(11)19-26(24,25)16-5-3-2-4-15(16)20(22)23/h2-7,10,13H,8-9H2,1H3,(H,18,21)/q-1/f/h18H D15E90A86C1FA8B1