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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H1O4⋯O2i	0.82	2.06	2.852 (3)	162
C5—H5⋯O3ii	0.93	2.63	3.386 (3)	139

Symmetry codes: (i) ; (ii) .