InChI=1/C20H15ClN4O/c1-12-8-9-25(16-5-3-15(21)4-6-16)19(26)18(12)13-2-7-17-14(10-13)11-23-20(22)24-17/h2-11H,1H3,(H2,22,23,24)/f/h22H2 2F5609798513B414