InChI=1/C14H8Cl2N2O2/c15-9-4-10(16)6-11(5-9)18-7-17-12-3-8(14(19)20)1-2-13(12)18/h1-7H,(H,19,20)/p-1/fC14H7Cl2N2O2/q-1 A320CCADA3A369C9