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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N4—H4⋯Cl1i	0.86	2.38	3.1587 (12)	150
C7—H7B⋯N1ii	0.96	2.61	3.483 (2)	151
C9—H9B⋯Cl1iii	0.96	2.79	3.5377 (19)	135

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