InChI=1/C16H14Cl2N2O3/c1-9-6-10(17)3-5-13(9)20-15(21)8-23-14-7-11(18)2-4-12(14)16(19)22/h2-7H,8H2,1H3,(H2,19,22)(H,20,21)/f/h20H,19H2 5150B0F588E6DF90