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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5O⋯O3	1.18 (5)	1.25 (5)	2.425 (3)	172 (4)
N1—H1A⋯O2	0.88 (4)	1.97 (4)	2.828 (3)	167 (3)
N1—H1B⋯O4i	0.88 (4)	1.92 (4)	2.792 (4)	172 (3)

Symmetry code: (i) .