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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5A⋯N1i	0.846 (9)	2.487 (15)	3.1257 (18)	133.0 (17)
O5—H5A⋯O3i	0.846 (9)	2.107 (13)	2.8927 (18)	154 (2)
O5—H5B⋯O3ii	0.856 (9)	1.884 (10)	2.7401 (17)	179 (2)
N2—H2B⋯O2i	0.895 (9)	2.185 (12)	3.0398 (18)	159.6 (19)
O2—H2⋯O5iii	0.82	1.77	2.5775 (17)	170

Symmetry codes: (i) ; (ii) ; (iii) .