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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2N⋯N3i	0.865 (19)	2.316 (19)	2.9719 (15)	132.8 (16)
N2—H2N⋯S1	0.865 (19)	2.660 (19)	3.1116 (11)	113.8 (15)
N4—H4N⋯O1	0.830 (19)	1.929 (18)	2.6274 (14)	141.2 (17)
N5—H5N⋯S1ii	0.856 (18)	2.576 (19)	3.4119 (11)	165.7 (16)

Symmetry codes: (i) ; (ii) .