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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C11—H11⋯O1i	0.95	2.52	3.2470 (17)	133
C18—H18B⋯O1ii	0.95	2.56	3.4486 (17)	156

Symmetry codes: (i) ; (ii) .