C5H5ClN2·C7H6O2	F(000) = 520
Mr = 250.68	Dx = 1.440 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 5100 reflections
a = 17.6114 (19) Å	θ = 2.4–30.0°
b = 5.3442 (6) Å	µ = 0.32 mm−1
c = 12.4774 (13) Å	T = 100 K
β = 100.161 (2)°	Plate, colourless
V = 1155.9 (2) Å3	0.55 × 0.25 × 0.07 mm
Z = 4