Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O3i	0.90 (1)	1.96 (1)	2.846 (4)	172 (5)

Symmetry code: (i) .