| C18H20N4O6 | F(000) = 816 |
| Mr = 388.38 | Dx = 1.447 Mg m−3 |
| Monoclinic, P21/n | Cu Kα radiation, λ = 1.54184 Å |
| a = 6.6576 (1) Å | Cell parameters from 17516 reflections |
| b = 17.1463 (2) Å | θ = 3.8–79.5° |
| c = 15.8105 (2) Å | µ = 0.93 mm−1 |
| β = 98.935 (1)° | T = 160 K |
| V = 1782.92 (4) Å3 | Plate, colourless |
| Z = 4 | 0.25 × 0.21 × 0.10 mm |
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