Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O1iv	0.865 (18)	1.723 (18)	2.5837 (12)	173.0 (18)
O3—H3⋯O1v	0.857 (18)	1.804 (18)	2.6575 (12)	173.7 (19)

Symmetry codes: (iv) ; (v) .