InChI=1/C14H10Cl2N4/c15-9-2-1-3-10(16)13(9)8-4-7-6-19-12(17)5-11(7)20-14(8)18/h1-6H,(H2,17,19)(H2,18,20)/f/h17-18H2 C29C59C5CD13B2E2