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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4⋯O3i	0.82	1.91	2.7237 (19)	169
O4—H4⋯N2i	0.82	2.62	3.118 (2)	120
O5—H5⋯O3i	0.82	2.00	2.817 (2)	175
N3—H3B⋯O5	0.81 (3)	2.05 (3)	2.854 (2)	173 (3)

Symmetry code: (i) .