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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H1⋯O2i	0.86 (1)	1.69 (1)	2.5281 (14)	165 (3)
N3—H2⋯O1i	0.81 (2)	2.12 (2)	2.9233 (15)	168 (2)
N3—H3⋯N1ii	0.85 (2)	2.15 (2)	3.0014 (16)	176 (2)
N4—H4⋯O1iii	0.78 (2)	2.08 (2)	2.8307 (16)	161 (2)
N4—H5⋯Cl1iv	0.77 (2)	2.78 (2)	3.3671 (13)	135.0 (19)
N4—H5⋯O2i	0.77 (2)	2.56 (2)	3.1458 (15)	134.2 (19)
C3—H3A⋯O2v	0.95	2.39	3.3085 (16)	162

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