InChI=1/C14H20N4O/c1-18(2)9-5-8-15-14(19)17-13-10-16-12-7-4-3-6-11(12)13/h3-4,6-7,10,16H,5,8-9H2,1-2H3,(H2,15,17,19)/p+1/fC14H21N4O/h15,17-18H/q+1 2BE8BCBFF7E41526