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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯O3i	0.95	2.55	3.256 (2)	131
C15—H15⋯O3ii	0.95	2.54	3.209 (2)	128

Symmetry codes: (i) ; (ii) .