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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O2	1.04 (3)	1.60 (3)	2.636 (3)	176 (2)
N2—H1N⋯O1i	0.86	2.12	2.846 (2)	142
N2—H2N⋯O1	0.86	1.97	2.824 (3)	169
C8—H8A⋯Cl1ii	0.96	2.82	3.770 (3)	171

Symmetry codes: (i) ; (ii) .