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

Cg4 is the centroid of the C18–C23 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C15—H15⋯Cg4i	0.95	2.71	3.6170 (16)	160
C16—H16A⋯Cg4ii	0.98	2.77	3.5984 (16)	143

Symmetry codes: (i) ; (ii) .