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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C10—H10A⋯O4i	0.97	2.52	3.424 (3)	154
C20—H20⋯O4i	0.93	2.39	3.314 (3)	173
C5—H5⋯O4ii	0.93	2.51	3.253 (3)	137

Symmetry codes: (i) ; (ii) .