InChI=1/C15H20N4/c1-12(2)19(11-15-17-8-3-9-18-15)14-6-4-13(10-16)5-7-14/h3-9,12H,10-11,16H2,1-2H3/p+1/fC15H21N4/h16H/q+1 AC4996FFC9E2F065