InChI=1/C16H22N2O2/c1-3-4-8-15-13(10-18(2)11-16(17)19)12-7-5-6-9-14(12)20-15/h5-7,9H,3-4,8,10-11H2,1-2H3,(H2,17,19)/p+1/fC16H23N2O2/h18H,17H2/q+1 459D1F003899854E