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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1C⋯O2	0.91	1.79	2.667 (6)	162
O1—H1D⋯O6	0.82	1.71	2.519 (5)	170
O4—H4C⋯O3i	0.82	1.80	2.560 (5)	155
O5—H5C⋯O3i	0.82	1.73	2.555 (5)	179
O7—H7C⋯O2ii	0.82	1.77	2.555 (5)	159
O8—H8D⋯Br1iii	0.96	2.18	3.100 (4)	160

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