InChI=1/C16H21N5O/c1-10-5-6-12(9-11(10)2)16-8-7-13(22)21(16)14(17)18-15(19-16)20(3)4/h5-6,9H,7-8H2,1-4H3,(H2,17,18,19)/p+1/t16-/m0/s1/fC16H22N5O/h19H,17H2/q+1 6F351A4A4C64D0F5