InChI=1/C20H13ClN2O6/c21-11-7-8-22-16(9-11)18(24)23-15-3-1-2-4-17(15)29-12-5-6-13(19(25)26)14(10-12)20(27)28/h1-10H,(H,23,24)(H,25,26)(H,27,28)/p-2/fC20H11ClN2O6/h23H/q-2 E1EB493EA59359C2