InChI=1/C15H22N2O/c1-4-9-16-15(18)12-17(5-2)11-14-8-6-7-13(3)10-14/h4,6-8,10H,1,5,9,11-12H2,2-3H3,(H,16,18)/p+1/fC15H23N2O/h16-17H/q+1 E5E2E26B438710E7