| C9H10N2O4 | F(000) = 440 |
| Mr = 210.19 | Dx = 1.510 Mg m−3 |
| Monoclinic, P21/n | Cu Kα radiation, λ = 1.54184 Å |
| a = 14.8713 (7) Å | Cell parameters from 2102 reflections |
| b = 3.9563 (2) Å | θ = 3.3–66.3° |
| c = 17.2057 (9) Å | µ = 1.03 mm−1 |
| β = 114.051 (3)° | T = 90 K |
| V = 924.42 (8) Å3 | Lath, yellow |
| Z = 4 | 0.42 × 0.06 × 0.01 mm |