InChI=1/C16H10Cl2N2O2/c17-11-3-1-10(2-4-11)9-14-15(21)19-20(16(14)22)13-7-5-12(18)6-8-13/h1-9H,(H,19,21)/b14-9+/f/h19H 9E15C0E68D3CD566