InChI=1/C14H11ClN4O/c1-8-5-6-9(15)11-12(8)17-14(20)13(11)19-18-10-4-2-3-7-16-10/h2-7H,1H3,(H,16,18)(H,17,19,20)/f/h17-18H/b19-13- 0FAB57C387167F36