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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1WA⋯Br1	0.85	2.51	3.360 (2)	173
O1W—H1WB⋯Br2	0.85	2.52	3.371 (3)	173
N3—H3B⋯O1i	0.89	1.89	2.692 (3)	150
N3—H3C⋯O1W	0.89	2.55	3.321 (3)	146
N3—H3C⋯O1ii	0.89	2.37	3.004 (3)	129
N3—H3D⋯O1Wii	0.89	1.99	2.817 (4)	153

Symmetry codes: (i) ; (ii) .