| C21H18O7 | Dx = 1.342 Mg m−3 |
| Mr = 382.37 | Mo Kα radiation, λ = 0.71073 Å |
| Orthorhombic, P212121 | Cell parameters from 9916 reflections |
| a = 7.4958 (11) Å | θ = 2.6–24.7° |
| b = 12.422 (2) Å | µ = 0.10 mm−1 |
| c = 20.325 (4) Å | T = 296 K |
| V = 1892.4 (6) Å3 | Plate, colourless |
| Z = 4 | 0.24 × 0.08 × 0.04 mm |
| F(000) = 800.5281 |
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