InChI=1/C15H20N4/c1-12-6-3-4-7-14(12)19(11-5-9-16)15-8-10-17-13(2)18-15/h3-4,6-8,10H,5,9,11,16H2,1-2H3/p+1/fC15H21N4/h16H/q+1 AF5972052F6167EF