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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2i	1.18 (3)	1.48 (3)	2.650 (2)	177 (2)
N1—HN1⋯O3ii	0.85 (2)	2.04 (2)	2.865 (2)	165 (2)

Symmetry codes: (i) ; (ii) .