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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O1	0.84	2.02	2.674 (2)	134
N1—H1N⋯O2i	0.84	2.47	3.198 (2)	145
N2—H2N⋯S2ii	0.84	2.68	3.5058 (17)	169
N3—H3N⋯O2	0.86	1.97	2.661 (2)	137
N3—H3N⋯O1i	0.86	2.42	3.131 (2)	140
N4—H4N⋯S1ii	0.85	2.57	3.4078 (17)	169

Symmetry codes: (i) ; (ii) .