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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H1O3⋯O2	0.86	1.73	2.5530 (11)	161
C2—H2A⋯O1i	0.93	2.51	3.4124 (12)	163
C3—H3A⋯O2ii	0.93	2.57	3.3000 (12)	136

Symmetry codes: (i) ; (ii) .