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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O4i	0.82	2.03	2.770 (2)	150
O3—H3⋯O1ii	0.82	2.03	2.7658 (19)	150

Symmetry codes: (i) ; (ii) .