InChI=1/C18H13Cl2NO4/c1-2-24-12-5-3-10-7-13(18(23)25-16(10)9-12)17(22)21-11-4-6-14(19)15(20)8-11/h3-9H,2H2,1H3,(H,21,22)/f/h21H 6284D5ABF5F52CDF