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. 2009 Feb 25;65(Pt 3):o586. doi: 10.1107/S1600536809004231
C20H18O6 F(000) = 744
Mr = 354.34 Dx = 1.358 Mg m3
Orthorhombic, P212121 Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ac 2ab Cell parameters from 789 reflections
a = 8.5906 (17) Å θ = 2.2–27.5°
b = 11.594 (2) Å µ = 0.10 mm1
c = 17.404 (4) Å T = 173 K
V = 1733.4 (6) Å3 Block, colorless
Z = 4 0.80 × 0.72 × 0.40 mm