InChI=1/C16H22N4O2/c1-4-10-5-6-13-11(8-10)14(16(22)18-13)19-20-15(21)12(17)7-9(2)3/h5-6,8-9,12H,4,7,17H2,1-3H3,(H,20,21)(H,18,19,22)/p+1/t12-/m0/s1/fC16H23N4O2/h17-18,20H/q+1/b19-14+ CEBD4488ECA81EF4