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

Cg2 is the centroid of the C13–C18 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1i	0.82	2.15	2.8568 (15)	145
C14—H14⋯O2	0.93	2.51	3.3002 (16)	143
C15—H15⋯O4ii	0.93	2.50	3.3524 (16)	152
C5—H5⋯Cg2iii	0.93	2.94	3.7756 (14)	150

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