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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O3i	0.84 (2)	2.18 (2)	3.015 (2)	176.3 (17)
N1—H1B⋯O1Wii	0.87 (2)	2.30 (2)	3.075 (2)	147.9 (19)
N2—H2⋯O1Wii	0.91 (2)	1.98 (2)	2.839 (2)	158 (2)
N3—H3⋯O3	0.98 (2)	1.60 (3)	2.476 (2)	147 (2)
O1W—H11W⋯O4	0.82 (3)	1.99 (3)	2.796 (2)	171 (3)
O1W—H21W⋯O1iii	0.82 (3)	2.00 (3)	2.823 (2)	178.0 (18)
C3—H3B⋯O1	0.96	2.29	2.812 (3)	114
C7—H7⋯O4iv	0.93	2.49	3.294 (2)	145

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