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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6⋯O1	0.95	2.27	2.862 (3)	120
C7—H7⋯O1i	0.95	2.45	3.139 (3)	129
N1—H1n⋯O3ii	0.84 (3)	2.66 (3)	3.316 (3)	136 (2)
C10—H10⋯Br1iii	0.95	2.91	3.812 (2)	160

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