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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2B⋯O3	0.82	2.25	2.694 (2)	114
N2—H2A⋯O1i	0.86	2.25	3.089 (2)	164
O2—H2B⋯N1ii	0.82	1.96	2.703 (3)	150
C5—H5⋯O1i	0.93	2.55	3.410 (3)	153

Symmetry codes: (i) ; (ii) .