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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5B⋯N5i	0.81	2.02	2.826 (5)	178
O5—H5A⋯N3ii	0.81	2.15	2.961 (5)	173

Symmetry codes: (i) ; (ii) .