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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5⋯O1W	0.82	1.72	2.5210 (17)	166
O1W—H2W⋯O4i	0.84 (3)	1.97 (3)	2.7985 (18)	166 (2)
O1W—H1W⋯N3ii	0.86 (2)	2.05 (3)	2.9011 (19)	172 (2)
N5—H5B⋯O2iii	0.86	2.04	2.8352 (18)	154
N2—H2⋯O1iii	0.86	2.02	2.8790 (17)	178
N4—H4⋯O1	0.86	2.06	2.9112 (18)	171

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