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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O2i	0.892 (10)	2.121 (11)	3.0065 (18)	172 (3)
O3—H3⋯O2ii	0.82	1.98	2.7479 (19)	157
O1—H1⋯N1	0.82	1.89	2.6057 (19)	145

Symmetry codes: (i) ; (ii) .