InChI=1/C14H17ClN4O/c1-8-12(9(2)18-17-8)14(20)16-11-7-5-6-10(15)13(11)19(3)4/h5-7H,1-4H3,(H,16,20)(H,17,18)/f/h16-17H 88370F9E3B54BC9C