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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1W	0.86	1.92	2.753 (2)	163
N3—H3⋯O1i	0.86	1.94	2.7809 (17)	166
O1W—HW11⋯O2ii	0.83 (2)	2.21 (2)	2.989 (2)	155.3 (19)
O1W—HW12⋯O2	0.87 (2)	2.07 (2)	2.905 (2)	162.3 (19)

Symmetry codes: (i) ; (ii) .