InChI=1/C14H11Cl2N3O2/c15-10-6-5-8(7-11(10)16)18-14(21)19-12-4-2-1-3-9(12)13(17)20/h1-7H,(H2,17,20)(H2,18,19,21)/f/h18-19H,17H2 DC1E8AA076448A9B