InChI=1/C15H14N2O4/c18-15(19)11-3-1-4-14(17-11)16-10-5-6-12-13(9-10)21-8-2-7-20-12/h1,3-6,9H,2,7-8H2,(H,16,17)(H,18,19)/p-1/fC15H13N2O4/h16H/q-1	931A8E5652349404