InChI=1/C13H20N4O/c1-8(2)17-13-11(9(3)16-17)14-12(15-13)10-4-6-18-7-5-10/h8,10,16H,4-7H2,1-3H3/p+1/fC13H21N4O/h15H/q+1 DA90F4EB2C3B2411