InChI=1/C14H20N4O/c1-2-18(7-8-19)10-12-9-11-5-3-4-6-13(11)16-14(12)17-15/h3-6,9,19H,2,7-8,10,15H2,1H3,(H,16,17)/p+1/fC14H21N4O/h17-18H/q+1 7548D8D4F6E5E612