InChI=1/C19H13Cl2NO4/c20-12-2-1-3-13(21)11(12)8-22-14-7-17(25)16(24)6-10(14)9-4-5-15(23)19(26)18(9)22/h1-7,23-26H,8H2 8AEE9C4228529E01