InChI=1/C14H15Cl2NO4/c15-8-5-10(13(20)11(16)6-8)14(21)17(7-12(18)19)9-3-1-2-4-9/h5-6,9,20H,1-4,7H2,(H,18,19)/p-2/fC14H13Cl2NO4/h20h/q-2 2A6A60421FF9776B