InChI=1/C14H20N6/c1-11-8-12(2)20(17-11)14-9-13(15-10-16-14)19-6-4-18(3)5-7-19/h8-10H,4-7H2,1-3H3/p+1/fC14H21N6/h18H/q+1 DC4EB28D784E88BA