InChI=1/C19H14N2O4S/c1-13-7-2-4-10-15(13)20-18(22)17(26-19(20)23)12-6-9-14-8-3-5-11-16(14)21(24)25/h2-12H,1H3/b9-6+,17-12-	063435146A79E727