C8H7N3O4	F(000) = 432
Mr = 209.17	Dx = 1.593 Mg m−3
Monoclinic, P21/c	Cu Kα radiation, λ = 1.54184 Å
Hall symbol: -P 2ybc	Cell parameters from 4480 reflections
a = 7.7425 (2) Å	θ = 3.8–76.2°
b = 9.6634 (2) Å	µ = 1.13 mm−1
c = 12.1276 (3) Å	T = 100 K
β = 106.008 (3)°	Prism, colourless
V = 872.19 (4) Å3	0.40 × 0.30 × 0.20 mm
Z = 4