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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2N⋯O1i	0.82 (2)	2.14 (2)	2.939 (2)	167 (2)
C3—H3⋯O1ii	0.95	2.59	3.484 (3)	157
C10—H10⋯Br1iii	0.95	2.93	3.545 (3)	124
C14—H14⋯O1i	0.95	2.46	3.207 (3)	135

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