InChI=1/C21H16N2O4/c1-23-12-13(17-10-14(25-2)4-6-18(17)23)9-20-21(24)16-5-3-15(26-8-7-22)11-19(16)27-20/h3-6,9-12H,8H2,1-2H3/b20-9+	805787F804F1FB75