InChI=1/C19H36N4O/c1-22(2)19(11-5-3-4-6-12-19)15-20-18(24)21-16-9-13-23(14-10-16)17-7-8-17/h16-17H,3-15H2,1-2H3,(H2,20,21,24)/p+2/fC19H38N4O/h20-23H/q+2 74E316C10344555B