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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1⋯N3i	0.88 (1)	2.37 (2)	3.175 (2)	152 (3)

Symmetry code: (i) .