InChI=1/C15H22N2O2/c1-5-6-12-11-13(7-8-14(12)19-4)15(18)16-9-10-17(2)3/h5,7-8,11H,1,6,9-10H2,2-4H3,(H,16,18)/p+1/fC15H23N2O2/h16-17H/q+1 07096D3CAC70CECA