C16H16N2O5	F(000) = 664
Mr = 316.31	Dx = 1.306 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 3900 reflections
a = 15.3351 (3) Å	θ = 2.5–25°
b = 8.1327 (2) Å	µ = 0.10 mm−1
c = 14.5308 (3) Å	T = 293 K
β = 117.387 (1)°	Block, colourless
V = 1609.10 (6) Å3	0.32 × 0.28 × 0.25 mm
Z = 4