InChI=1/C20H17ClN2O4/c1-12-17(21)4-3-5-18(12)23-19(24)15(11-22)10-14-6-8-16(9-7-14)27-13(2)20(25)26/h3-10,13H,1-2H3,(H,23,24)(H,25,26)/p-1/b15-10-/t13-/m1/s1/fC20H16ClN2O4/h24H/q-1/b15-10-,23-19?	3DB77B018A5152A5