InChI=1/C16H21N3O/c1-4-20-13-7-5-6-12(10-13)15(18-3)14-11(2)8-9-19-16(14)17/h5-10,15,18H,4H2,1-3H3,(H2,17,19)/p+1/t15-/m0/s1/fC16H22N3O/h19H,17H2/q+1 A5DC41E6B7A2B814