InChI=1/C14H13Cl2NO4/c1-2-21-14(20)9-7-17(13(19)12(9)18)6-8-3-4-10(15)11(16)5-8/h3-5,18H,2,6-7H2,1H3/p-1/fC14H12Cl2NO4/h18h/q-1 CCB170531C6DC727