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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C15—H1⋯O6i	0.93	2.46	3.3670 (8)	164
C4—H15⋯O3ii	0.93	2.49	3.3723 (8)	159

Symmetry codes: (i) ; (ii) .