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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H1⋯O1ii	0.81	1.82	2.6058 (19)	166
O5—H2⋯O2	0.80	2.07	2.7762 (18)	147
O5—H3⋯O2iii	0.81	2.02	2.8334 (18)	175

Symmetry codes: (ii) ; (iii) .