InChI=1/C15H12N2O5/c18-14(19)10-16(12-4-2-1-3-5-12)15(20)11-6-8-13(9-7-11)17(21)22/h1-9H,10H2,(H,18,19)/p-1/fC15H11N2O5/q-1 8A11502ADDDBD647