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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1i	0.86	1.93	2.756 (4)	162
N3—H3⋯O2ii	0.86	2.24	3.024 (4)	151

Symmetry codes: (i) ; (ii) .