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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4A⋯O5i	0.85	2.35	3.045 (5)	139
O4—H4B⋯O3ii	0.85	1.91	2.750 (3)	168
O5—H5A⋯O4	0.85	1.99	2.836	180
O5—H5B⋯O2iii	0.85	2.36	2.938 (4)	125

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