InChI=1/C19H12Cl2N2O3/c20-10-1-6-15(21)17(7-10)23-16-8-11(24)2-4-13(16)19(22-23)14-5-3-12(25)9-18(14)26/h1-9,24-26H F66A4C98D8267F3C