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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3B⋯N2i	0.906 (18)	2.280 (18)	3.0539 (18)	143.2 (14)
N3—H3C⋯N4ii	0.892 (19)	2.405 (18)	3.1587 (18)	142.3 (16)

Symmetry codes: (i) ; (ii) .