Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5⋯O2i	0.82	1.92	2.743 (3)	175
N3—H21⋯O5	0.85 (2)	2.17 (3)	2.950 (3)	153 (2)
N3—H22⋯O3ii	0.86 (3)	2.10 (3)	2.952 (2)	169 (2)

Symmetry codes: (i) ; (ii) .