InChI=1/C15H27N3O2/c1-14(2,12(16)17-20)13(19)18-10-8-15(9-11-18)6-4-3-5-7-15/h20H,3-11H2,1-2H3,(H2,16,17)/f/h16H2/b17-12- 377F67B8667B97B0