InChI=1/C14H20N4/c1-11-14(17-10-16-11)8-15-13-6-4-5-12(7-13)9-18(2)3/h4-7,10,15H,8-9H2,1-3H3,(H,16,17)/p+2/fC14H22N4/h16-18H/q+2 43E75EE8943DAF8D