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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O5i	0.90 (1)	2.04 (5)	2.854 (10)	150 (9)
O5—H5⋯O2	0.82	1.90	2.701 (10)	166
O1—H1⋯N1	0.82	1.99	2.700 (10)	144

Symmetry code: (i) .