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

Cg3 is the centroid of the C15–C20 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.82	1.87	2.599 (2)	148
C9—H9⋯O2i	0.93	2.56	3.476 (2)	168
C10—H10⋯Cg3i	0.93	2.87	3.754 (2)	159

Symmetry code: (i) .