InChI=1/C15H26N2O2/c1-5-17(6-2)11-13-7-8-14(19-13)15(18)16-10-9-12(3)4/h7-8,12H,5-6,9-11H2,1-4H3,(H,16,18)/p+1/fC15H27N2O2/h16-17H/q+1 7B3E566DC7B9BB73