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

Cg1 is the centroid of the C10–C15 phenyl ring

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C20′—H20′⋯Cg1i	0.95	2.69	3.4041 (14)	133
C9—H9B⋯N3′	0.98	2.70	3.4560 (14)	134

Symmetry code: (i) .