InChI=1/C13H18N4/c1-16(8-9-17-7-3-6-15-17)11-12-4-2-5-13(14)10-12/h2-7,10H,8-9,11,14H2,1H3/p+1/fC13H19N4/h16H/q+1 930403EA9FC502D2