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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4A⋯Br1i	0.87 (3)	2.54 (3)	3.393 (3)	169 (5)
O4—H4B⋯Br1ii	0.88 (5)	2.52 (5)	3.399 (3)	176 (5)
C1—H1⋯Br1	0.96	2.65	3.587 (3)	165
C3—H3⋯O2iii	0.96	2.57	3.294 (4)	132
C6—H6⋯O4	0.96	2.38	3.305 (5)	161
C10—H10⋯O4	0.96	2.59	3.463 (5)	152
C14—H14⋯Br1	0.96	2.88	3.823 (3)	167
C18—H18A⋯Br1iv	0.96	2.82	3.718 (3)	155

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