C12H13N3O6	F(000) = 616
Mr = 295.25	Dx = 1.525 Mg m−3
Monoclinic, P21/n	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2yn	Cell parameters from 7594 reflections
a = 6.8354 (2) Å	θ = 3.0–29.3°
b = 9.4363 (2) Å	µ = 0.12 mm−1
c = 19.9332 (4) Å	T = 293 K
β = 90.777 (2)°	Block, colorless
V = 1285.59 (5) Å3	0.4 × 0.4 × 0.2 mm
Z = 4