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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1D⋯Cl1i	0.91	2.25	3.161 (3)	175
N1—H1E⋯Cl2ii	0.91	2.37	3.192 (3)	151
N1—H1F⋯Cl2	0.91	2.31	3.187 (3)	161
N4—H4B⋯Cl1	0.91	2.42	3.186 (3)	142
N4—H4A⋯Cl1iii	0.91	2.27	3.136 (3)	160
N4—H4C⋯Cl2iv	0.91	2.21	3.123 (2)	178

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