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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O3i	0.84	1.90	2.585 (4)	137
O3—H3⋯O1	0.84	1.71	2.551 (4)	178

Symmetry code: (i) .