InChI=1/C15H20N4O/c1-19(8-5-9-20-2)15-12(14(16)17)10-11-6-3-4-7-13(11)18-15/h3-4,6-7,10H,5,8-9H2,1-2H3,(H3,16,17)/p+1/fC15H21N4O/h16-17H2/q+1 53C805E6A627B4BF