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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2a⋯O16	0.99	2.40	2.9776 (18)	117
C3—H3B⋯O14i	0.99	2.56	3.2524 (19)	127 (4)
C15—H15B⋯O5ii	0.98	2.56	3.493 (2)	159 (4)
C17—H17A⋯O5iii	0.98	2.59	3.484 (2)	151 (4)

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