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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H1⋯O2	0.99 (2)	1.66 (2)	2.6502 (18)	177 (2)
N2—H2⋯O1i	0.94 (2)	1.74 (2)	2.677 (2)	175 (2)

Symmetry code: (i) .