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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C16—H16C⋯O4	0.96	2.39	3.007 (2)	121
C15—H15A⋯O4	0.96	2.36	2.918 (2)	117
C8—H8⋯O4i	0.93	2.48	3.3214 (18)	151
N1—H1⋯O4i	0.862 (17)	2.096 (18)	2.9442 (15)	167.8 (15)

Symmetry code: (i) .