| C13H13NO4 | Z = 2 |
| Mr = 247.24 | F(000) = 260 |
| Triclinic, P1 | Dx = 1.426 Mg m−3 |
| a = 5.0164 (5) Å | Cu Kα radiation, λ = 1.54184 Å |
| b = 5.2908 (4) Å | Cell parameters from 1583 reflections |
| c = 21.8464 (18) Å | θ = 6.1–71.3° |
| α = 92.833 (6)° | µ = 0.89 mm−1 |
| β = 90.315 (7)° | T = 173 K |
| γ = 96.222 (7)° | Prism, colourless |
| V = 575.67 (8) Å3 | 0.42 × 0.22 × 0.12 mm |