Table 2. Hydrogen-bond geometry (Å, °).

Cg6 and Cg7 are the centroids of pyridine rings N5/C8–C12 and N6/C14–C18, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C7—H7A⋯O2	0.99	2.49	3.3100 (18)	140
C13—H13A⋯O1	0.99	2.21	3.1372 (16)	156
C5—H5A⋯O5i	0.99	2.51	3.4713 (19)	164
C15—H15⋯O3ii	0.95	2.52	3.4048 (17)	156
C16—H16⋯O1ii	0.95	2.59	3.4499 (18)	151
C17—H17⋯Cg6iii	0.95	2.83	3.6231 (16)	142
C22—H22⋯Cg7iv	0.95	2.99	3.8527 (15)	152

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