InChI=1/C16H19N5O/c1-11-7-12(2)21(20-11)10-16(22)19-18-9-13-8-17-15-6-4-3-5-14(13)15/h3-7,9,12,20H,8,10H2,1-2H3,(H,19,22)/p+1/b18-9+/t12-/m1/s1/fC16H20N5O/h17,19H/q+1/b 3EDA189BB20FE7A6