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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5B⋯O1	0.85 (1)	2.22 (7)	2.898 (8)	136 (8)
O5—H5A⋯Br2i	0.85 (1)	2.92 (5)	3.666 (9)	146 (8)
O4—H4A⋯Br1ii	0.93	2.90	3.532 (6)	126
O4—H4A⋯O5i	0.93	2.16	2.841 (9)	130
O2—H2A⋯O3iii	0.93	1.97	2.694 (7)	133

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