InChI=1/C15H11Cl2NO3/c16-9-4-5-10(12(17)7-9)15(21)11-3-1-2-8(14(11)18)6-13(19)20/h1-5,7H,6,18H2,(H,19,20)/p-1/fC15H10Cl2NO3/q-1 B13EF34F89A8BAA6