InChI=1/C15H20N4O/c1-3-8-15(2,16)14(20)19-12-6-4-11(5-7-12)13-9-17-10-18-13/h4-7,9-10H,3,8,16H2,1-2H3,(H,17,18)(H,19,20)/p+1/t15-/m0/s1/fC15H21N4O/h16-17,19H/q+1 E66B814C87AFF556