InChI=1/C16H23N3O2/c1-16-8-9-19(4,5)14(16)18(3)13-7-6-11(10-12(13)16)21-15(20)17-2/h6-7,10,14H,8-9H2,1-5H3/p+1/t14-,16-/m0/s1/fC16H24N3O2/h17H/q+1 E9CA006D40E4E1E5