C21H13N5O4	F000 = 824
Mr = 399.36	Dx = 1.487 Mg m−3
Monoclinic, P21/c	Cu Kα radiation λ = 1.5418 Å
Hall symbol: -P 2ybc	Cell parameters from 25 reflections
a = 9.677 (2) Å	θ = 14.8–40.8º
b = 12.141 (3) Å	µ = 0.89 mm−1
c = 17.438 (4) Å	T = 297 (2) K
β = 119.451 (16)º	Prism, colourless
V = 1784.0 (8) Å3	0.3 × 0.1 × 0.08 mm
Z = 4