InChI=1/C17H16Cl2N2O2/c1-9-6-7-11(10(2)22)14(8-9)21-16(17(20)23)15-12(18)4-3-5-13(15)19/h3-8,16,21H,1-2H3,(H2,20,23)/t16-/m0/s1/f/h20H2 301B2A2BF4FE8170