InChI=1/C14H12N2O4/c17-12-4-3-10(7-11(12)14(19)20)16-13(18)6-9-2-1-5-15-8-9/h1-5,7-8,17H,6H2,(H,16,18)(H,19,20)/p-1/fC14H11N2O4/h16H/q-1	759185222EB72E8B