InChI=1/C15H27N3O2/c1-2-7-17(11-13-5-6-13)12-14(19)16-10-15(20)18-8-3-4-9-18/h13H,2-12H2,1H3,(H,16,19)/p+1/fC15H28N3O2/h16-17H/q+1 DF834E2BBF1E6AE9