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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C14—H14⋯O1i	0.95	2.52	3.465 (3)	175
C21—H21⋯O2ii	0.95	2.38	3.295 (3)	162

Symmetry codes: (i) ; (ii) .