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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯O3i	0.93	2.75	3.651 (2)	163
C5—H5⋯O1	0.93	2.25	2.883 (2)	125
C15—H15⋯O1ii	0.93	2.48	3.337 (2)	154
C18—H18⋯N2iii	0.93	2.68	3.558 (3)	158

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