InChI=1/C19H32N4O2/c24-18(22-9-5-2-6-10-22)16-21-11-13-23(14-12-21)19(25)20-15-17-7-3-1-4-8-17/h1,3,17H,2,4-16H2,(H,20,25)/t17-/m1/s1/f/h20H 7EC21D8FCFF2203E