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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯Br2i	0.84	2.50	3.304 (5)	160
O1—H1B⋯Br1ii	0.84	2.44	3.272 (5)	171
N2—H2N⋯Br2iii	0.92	2.62	3.472 (6)	154
N5—H5N⋯Br2iv	0.92	2.63	3.503 (6)	159

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