InChI=1/C13H12ClN5O/c1-7-10-4-9(6-16-12(10)19(2)18-7)17-13(20)11-3-8(14)5-15-11/h3-6,15H,1-2H3,(H,17,20)/f/h17H 8761D855A9B2E01F