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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N4—H4B⋯O2Wi	0.895 (10)	2.218 (12)	3.105 (5)	171 (3)
N4—H4C⋯N4ii	0.90 (3)	2.58 (3)	3.198 (3)	126 (3)
N3—H3B⋯O1Wiii	0.906 (10)	2.165 (16)	3.048 (6)	165 (4)
N3—H3C⋯N3ii	0.895 (11)	2.33 (2)	3.122 (4)	147 (3)
O4W—H4WA⋯O4Wiv	0.855 (19)	2.017 (19)	2.871 (3)	176 (4)
O4W—H4WB⋯N2	0.867 (17)	1.924 (19)	2.787 (3)	173 (4)
O3W—H3WB⋯N1	0.872 (19)	1.96 (3)	2.801 (3)	161 (6)
O2W—H2WA⋯O4Wv	0.84 (2)	2.01 (2)	2.843 (4)	178 (5)
O1W—H1WA⋯O1Wvi	0.84 (6)	2.15 (6)	2.860 (7)	142 (6)
O2W—H2WB⋯O2Wvii	0.87 (4)	1.97 (4)	2.812 (5)	161 (3)
O1W—H1WB⋯O3W	0.85 (3)	2.09 (3)	2.882 (6)	155 (5)

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