InChI=1/C17H18N4/c18-10-13-9-12-5-1-2-6-14(12)20-17(13)21-11-19-15-7-3-4-8-16(15)21/h3-4,7-9,11H,1-2,5-6,10,18H2/p+1/fC17H19N4/h18H/q+1 40D2B8AEC74D573F