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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O4	0.85 (1)	2.19 (1)	3.015 (3)	165 (3)
N1—H1N⋯Cl1	0.85 (1)	2.60 (3)	2.998 (3)	110 (2)
N2—H2N⋯O2	0.85 (1)	2.38 (2)	3.192 (4)	160 (3)
N2—H2N⋯Cl3	0.85 (1)	2.55 (3)	2.996 (3)	113 (3)