InChI=1/C16H24N2O2/c1-4-9-18-15(19)10-14(17)16(18)12-5-7-13(8-6-12)20-11(2)3/h5-8,11,14,16H,4,9-10,17H2,1-3H3/p+1/t14-,16-/m0/s1/fC16H25N2O2/h17H/q+1 D5CEA893C5A9E5B8