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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C21—H21C⋯O1	0.96	2.57	3.214 (5)	124
C3—H3⋯O2i	0.93	2.54	3.351 (6)	146
C5—H5⋯O1ii	0.93	2.40	3.276 (5)	157
C16—H16⋯O3iii	0.93	2.52	3.305 (6)	143

Symmetry codes: (i) ; (ii) ; (iii) .