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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H31⋯N2i	0.80 (3)	2.18 (3)	2.981 (2)	177 (2)
N3—H32⋯O2ii	0.832 (19)	2.494 (19)	3.321 (2)	174 (2)

Symmetry codes: (i) ; (ii) .