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

Cg is the centroid of the C19–C24 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯O1	0.93	2.37	2.955 (3)	121
C11—H11⋯O2	0.93	2.31	2.902 (3)	121
C15—H15⋯O3i	0.93	2.55	3.444 (4)	161
C4—H4⋯Cg1ii	0.93	2.94	3.715 (3)	142

Symmetry codes: (i) ; (ii) .