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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2A—H2OA⋯O1Ai	0.82	1.82	2.6397 (13)	172
O2B—H2OB⋯O1Bii	0.82	1.82	2.6421 (13)	174
C2A—H2AB⋯O2Aiii	0.97	2.58	3.5415 (16)	171

Symmetry codes: (i) ; (ii) ; (iii) .