InChI=1/C19H30N4O2/c1-5-10-20-18(24)15-8-11-23(12-9-15)19(25)21-16-6-7-17(22(3)4)14(2)13-16/h6-7,13,15H,5,8-12H2,1-4H3,(H,20,24)(H,21,25)/f/h20-21H 9535B6DE2815C2A3