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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1C⋯O2	0.82	2.06	2.778 (5)	147
O2—H2C⋯O1	0.82	2.05	2.778 (5)	147
O3—H3B⋯O2i	0.82	2.16	2.977 (5)	175
C11—H11A⋯O5ii	0.97	2.57	3.393 (7)	143

Symmetry codes: (i) ; (ii) .