InChI=1/C12H9ClN2O4/c13-7-3-6(4-9-10(7)19-2-1-18-9)11-14-5-8(15-11)12(16)17/h3-5H,1-2H2,(H,14,15)(H,16,17)/p-1/fC12H8ClN2O4/h14H/q-1 CEA5974A7C0CE5DF