InChI=1/C17H13Cl2NO5/c18-12-5-3-6-13(17(12)19)20-15(22)9-25-16(23)10-24-14-7-2-1-4-11(14)8-21/h1-8H,9-10H2,(H,20,22)/f/h20H 922A63FF93078668