InChI=1/C14H11Cl3N4O2/c1-6(7-4-2-3-5-8(7)22)20-21-14(23)12-9(15)11(18)10(16)13(17)19-12/h2-5,22H,1H3,(H2,18,19)(H,21,23)/b20-6+/f/h21H,18H2 52FB4CF106014CA0