InChI=1/C19H27N5O/c1-16-4-2-11-23(14-16)13-10-20-19(25)22-18-7-5-17(6-8-18)15-24-12-3-9-21-24/h3,5-9,12,16H,2,4,10-11,13-15H2,1H3,(H2,20,22,25)/p+1/t16-/m1/s1/fC19H28N5O/h20,22-23H/q+1 66942840DD61C2EF