InChI=1/C14H15ClN4O2/c15-11-3-1-10(2-4-11)13-9-19(5-6-21-13)14(20)18-12-7-16-17-8-12/h1-4,7-8,13H,5-6,9H2,(H,16,17)(H,18,20)/t13-/m0/s1/f/h16,18H 4522B9073D817BF2