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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O4i	0.86	2.00	2.840 (3)	164
O5—H5⋯N3ii	0.82	1.97	2.779 (3)	171
O5—H5B⋯O3iii	0.839 (17)	2.074 (18)	2.908 (3)	173 (3)
O3—H3⋯O2	0.82	1.69	2.456 (3)	155

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