InChI=1/C16H18N6O2/c1-22(11-8-9(23-2)4-6-12(11)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 4B06EA8057FBE6B8