InChI=1/C19H10Cl2N2O3/c20-11-7-12-15(24)9-16(26-18(12)13(21)8-11)19(25)23-14-5-1-3-10-4-2-6-22-17(10)14/h1-9H,(H,23,25)/f/h23H 280D27794F3598B9