C9H8N2O2	F(000) = 736
Mr = 176.18	Dx = 1.348 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 25 reflections
a = 17.216 (3) Å	θ = 10–13°
b = 7.1950 (14) Å	µ = 0.10 mm−1
c = 15.746 (3) Å	T = 298 K
β = 117.10 (3)°	Block, yellow
V = 1736.3 (7) Å3	0.40 × 0.30 × 0.20 mm
Z = 8