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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Cl2i	0.90	2.48	3.346 (3)	161
N1—H1B⋯Cl3ii	0.90	2.55	3.284 (3)	140
N1—H1B⋯Cl1ii	0.90	2.72	3.322 (3)	125
N2—H2A⋯Cl4	0.90	2.25	3.150 (3)	174
N2—H2B⋯Cl2iii	0.90	2.48	3.199 (3)	137
N2—H2B⋯Cl3iii	0.90	2.77	3.444 (3)	133

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