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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1i	0.86	2.02	2.874 (1)	174
C5—H5B⋯O3ii	0.96	2.59	3.407 (2)	143

Symmetry codes: (i) ; (ii) .