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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O6—H6o⋯O1i	0.85 (5)	1.82 (6)	2.62 (3)	154 (6)
O2—H2o⋯O5ii	0.85 (6)	1.79 (6)	2.63 (3)	169 (8)
C11—H11c⋯O4iii	0.96	2.56	3.50 (3)	167
C23—H23a⋯O3iii	0.96	2.56	3.42 (4)	149

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