InChI=1/C14H18N4O/c19-14(18-10-5-6-10)11-3-1-2-4-12(11)17-9-13-15-7-8-16-13/h1-4,10,17H,5-9H2,(H,15,16)(H,18,19)/p+1/fC14H19N4O/h15-16,18H/q+1 447E6DFDFDFFCEC6