InChI=1/C22H40N2O/c1-4-5-17-24-21(18(2)19(3)22(24)25)23-20-15-13-11-9-7-6-8-10-12-14-16-20/h20-21,23H,4-17H2,1-3H3/t21-/m1/s1 781D944F8EB798E1