InChI=1/C15H22N2O2/c1-17(9-13-3-2-8-19-13)10-14(18)16-15(11-4-5-11)12-6-7-12/h2-3,8,11-12,15H,4-7,9-10H2,1H3,(H,16,18)/p+1/fC15H23N2O2/h16-17H/q+1 D88A38E2A3B7722D