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

Cg1 is the centroid of the O1/C1–C4 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯O2i	0.95	2.41	3.3526 (15)	174
C4—H4⋯O1ii	0.95	2.60	3.4142 (18)	145
C4—H4⋯O2ii	0.95	2.49	3.317 (2)	146
C6—H6B⋯Cg1iii	0.99	2.66	3.5869 (16)	156

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