Figure 3.
Left: Molecular plot of 2,3,4,5-tetrafluoro-6-(propylcarbamoyl)benzoic acid (4a) showing the displacement ellipsoids at the 50% probability level for the non-H atoms. Right: Packing diagram of 4a. The N–H⋯F and N–H⋯O contacts are shown as broken lines.[21]
