InChI=1/C20H15ClN2O4/c1-10-9-26-16-7-17-14(5-13(10)16)11(2)15(20(25)27-17)6-19(24)23-18-4-3-12(21)8-22-18/h3-5,7-9H,6H2,1-2H3,(H,22,23,24)/f/h23H C6ECA1783BF40047