InChI=1/C13H18N4O/c1-2-17-15-12(10-14-8-9-18)13(16-17)11-6-4-3-5-7-11/h3-7,14,18H,2,8-10H2,1H3/p+1/fC13H19N4O/h14H/q+1 B1FF1F4436F47DB6