InChI=1/C20H32N4O2/c1-24(18-12-6-3-7-13-18)15-9-8-14-21-19(25)16-22-20(26)23-17-10-4-2-5-11-17/h3,6-7,12-13,17H,2,4-5,8-11,14-16H2,1H3,(H,21,25)(H2,22,23,26)/f/h21-23H 975420228B4A3785