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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H71⋯N10	0.903 (15)	1.901 (15)	2.8020 (11)	176.4 (13)
N3—H73⋯N2	0.926 (15)	1.861 (15)	2.6068 (11)	135.9 (12)
N3—H73⋯N20i	0.926 (15)	2.456 (15)	3.1199 (12)	128.7 (11)
C25—H25⋯S1i	0.95	2.83	3.5192 (9)	130

Symmetry code: (i) .