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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3A⋯O2i	0.93 (2)	1.73 (2)	2.6395 (12)	164 (2)
O1—H1A⋯O3ii	0.86 (2)	1.93 (2)	2.7716 (13)	167 (19)

Symmetry codes: (i) ; (ii) .