InChI=1/C19H38N4O2/c1-5-9-20-18(24)14-22-10-12-23(13-11-22)15-19(25)21-17(4)8-6-7-16(2)3/h16-17H,5-15H2,1-4H3,(H,20,24)(H,21,25)/t17-/m0/s1/f/h20-21H BF0118CB43401D1E