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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O5i	0.82	1.82	2.629 (3)	166
O5—H5A⋯O2	0.82	1.95	2.764 (3)	169
C17—H17⋯O2ii	0.93	2.54	3.398 (4)	154
C20—H20B⋯O4iii	0.96	2.53	3.489 (5)	177

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