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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4A⋯O1i	0.82	2.09	2.905 (3)	172
O3—H3⋯O2	0.82	1.95	2.677 (3)	147
O1—H1⋯O3	0.82	2.14	2.948 (3)	170

Symmetry code: (i) .