N-Acetyl-3-(2,6-difluoro-phenyl)-D-alanine

2-Acetylamino-3-(2,6-difluoro-phenyl)-propionicacid

(2R)-3-(2,6-difluorophenyl)-2-acetaMidopropanoic acid

(R)-2-Acetylamino-3-(2,6-difluoro-phenyl)-propionic acid