Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O4iii	0.86	2.10	2.936 (2)	164
N2—H2A⋯O1iv	0.86	2.17	2.997 (2)	163
N2—H2A⋯O2iv	0.86	2.37	3.069 (2)	139
N2—H2B⋯O3	0.86	2.01	2.667 (2)	133
N2—H2B⋯O5v	0.86	2.38	3.076 (3)	138
O5—H1W⋯O2i	0.83	1.97	2.791 (2)	172
O5—H1W⋯O3i	0.83	2.59	3.068 (2)	118
O5—H2W⋯O2vi	0.83	2.14	2.973 (2)	178

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