C6H9N3O2
Madden, J. J.McGandy, E. L.Seeman, N. C.Harding, M. M.Hoy, A.
Acta Crystallographica Section B (1972) 28, 8 2382-2389
a=5.172(5)Å b=7.384(7)Å c=9.474(10)Å
α=90° β=97.162° γ=90°