InChI=1/C16H18N6O2/c1-22(9-4-6-11(23-2)12(8-9)24-3)13-7-5-10-14(20-13)15(17)21-16(18)19-10/h4-8H,1-3H3,(H4,17,18,19,21)/p+1/fC16H19N6O2/h19H,17-18H2/q+1 E9F7314B92A1D93E