001644: InChI=1.12Beta/C19H16ClN5/c1-2-17-23-18(22-16-11-7-6-10-15(16)20)14-12-21-25(19(14)24-17)13-8-4-3-5-9-13/h1H3,2H2,3-12H,(H,22,23,24)