C15H14N2O4·H2O	F(000) = 640
Mr = 304.30	Dx = 1.402 Mg m−3
Monoclinic, P21/n	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2yn	Cell parameters from 1918 reflections
a = 7.1763 (2) Å	θ = 2.4–27.3°
b = 16.6507 (5) Å	µ = 0.11 mm−1
c = 12.1828 (4) Å	T = 100 K
β = 98.022 (2)°	Prism, yellow
V = 1441.48 (8) Å3	0.16 × 0.04 × 0.04 mm
Z = 4