InChI=1/C15H13Cl2NO3/c1-21-12-7-6-10(16)15(14(12)17)18-11-5-3-2-4-9(11)8-13(19)20/h2-7,18H,8H2,1H3,(H,19,20)/p-1/fC15H12Cl2NO3/q-1 D1C9B25B4583AD69