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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C7—H7⋯O3i	0.93	2.53	3.436 (3)	165
C9—H9⋯O1ii	0.93	2.47	3.337 (3)	155
C12—H12B⋯O1iii	0.96	2.48	3.346 (3)	151
C17—H17⋯O2iv	0.93	2.52	3.432 (3)	167

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