InChI=1/C16H12N2O4/c19-16(20)10-1-3-11-12(7-10)18-15(17-11)9-2-4-13-14(8-9)22-6-5-21-13/h1-4,7-8H,5-6H2,(H,17,18)(H,19,20)/p-1/fC16H11N2O4/h18H/q-1	6FE1A818D7527241