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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O4i	0.98 (2)	1.87 (2)	2.824 (3)	164.8 (16)
N3—H3⋯O1Wii	0.99 (3)	1.66 (3)	2.625 (3)	163 (2)
O1W—H1A⋯O3iii	0.94 (4)	1.84 (4)	2.782 (3)	176 (4)
O1W—H1B⋯O1	0.95 (4)	2.50 (4)	3.032 (3)	115 (3)
O1W—H1B⋯N2	0.95 (4)	1.90 (4)	2.839 (2)	166 (3)
O2—H2⋯O3	0.82	1.67	2.493 (2)	179

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