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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.84	1.85	2.5808 (10)	144
O3—H3⋯O2i	0.84	1.82	2.6518 (9)	171
N2—H2⋯O1ii	0.88	2.32	3.1535 (9)	157

Symmetry codes: (i) ; (ii) .