Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1A⋯Cl3ii	0.96	2.79	3.675 (4)	154
C2—H2A⋯N4ii	0.96	2.59	3.379 (5)	139
C4—H4A⋯N4	0.96	2.57	2.909 (4)	101
C6—H6A⋯Cl3iii	0.96	2.83	3.607 (4)	139

Symmetry codes: (ii) ; (iii) .