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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O11i	0.82	1.79	2.60 (2)	167
C10—H10⋯O8	0.93	2.53	3.16 (2)	125
C12—H12⋯O10ii	0.93	2.58	3.51 (2)	179
C13—H13⋯O6iii	0.93	2.57	3.350 (19)	142
C17—H17⋯O2iii	0.93	2.48	3.260 (19)	142
C18—H18⋯O3iv	0.93	2.58	3.391 (17)	146
C21—H21B⋯O9v	0.96	2.56	3.49 (3)	161

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