C16H16N2O4	F(000) = 316
Mr = 300.31	Dx = 1.354 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 852 reflections
a = 7.8519 (5) Å	θ = 2.6–28.6°
b = 10.5284 (6) Å	µ = 0.10 mm−1
c = 8.9121 (4) Å	T = 293 K
β = 91.770 (5)°	Plate, colorless
V = 736.39 (7) Å3	0.35 × 0.13 × 0.04 mm
Z = 2