InChI=1/C15H22N2O2/c1-12(2)11-19-14-7-5-13(6-8-14)15(18)16-9-10-17(3)4/h5-8H,1,9-11H2,2-4H3,(H,16,18)/p+1/fC15H23N2O2/h16-17H/q+1 F5C8A97D45C857BD