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

Cg is the centroid of the C4–C9 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2i	0.82	1.83	2.611 (3)	160
C3—H3⋯O1	0.93	2.27	2.703 (3)	108
C8—H8⋯O1ii	0.93	2.59	3.394 (3)	145
C10—H10A⋯O2	0.96	2.31	2.783 (3)	109
C10—H10C⋯Cgiii	0.96	2.75	3.610 (3)	149
C1—O2⋯Cgiv	1.25 (1)	3.57 (1)	3.895 (3)	95 (1)

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