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. 2009 May 23;65(Pt 6):o1380. doi: 10.1107/S160053680901873X
C12H16N2O4 Z = 2
Mr = 252.27 F(000) = 268
Triclinic, P1 Dx = 1.303 Mg m3
Hall symbol: -P 1 Mo Kα radiation, λ = 0.71073 Å
a = 4.4400 (9) Å Cell parameters from 25 reflections
b = 12.606 (3) Å θ = 9–11°
c = 13.209 (3) Å µ = 0.10 mm1
α = 61.710 (19)° T = 294 K
β = 83.02 (3)° Block, colorless
γ = 81.75 (3)° 0.20 × 0.10 × 0.10 mm
V = 643.1 (3) Å3