InChI=1/C15H27N3O2/c1-11(2)8-18(13-6-7-13)10-15(20)17(3)9-14(19)16-12-4-5-12/h11-13H,4-10H2,1-3H3,(H,16,19)/p+1/fC15H28N3O2/h16,18H/q+1 19D906871CC95609