InChI=1/C17H12N2O7/c20-14-12(15(21)19-17(24)18-14)7-9-1-3-10(4-2-9)25-8-11-5-6-13(26-11)16(22)23/h1-7H,8H2,(H,22,23)(H2,18,19,20,21,24)/p-2/fC17H10N2O7/h18H/q-2/b12-7+	9F91E26B13E915DD