N-Fmoc-(2S,3S)-3-Amino-2-hydroxy-3-(3-methoxy- phenyl)-propionic acid
N-Boc-(2R,3R)-3-Amino-2-hydroxy-3-(3-methoxy- phenyl)-propionic acid
N-Boc-(2S,3S)-3-Amino-3-(3-fluoro-phenyl)-2- hydroxy-propionic acid
N-Fmoc-(2S,3S)-3-Amino-3-(3-fluoro-phenyl)-2- hydroxy-propionic acid
N-Boc-(2S,3S)-3-Amino-2-hydroxy-3-(3- trifluoromethyl-phenyl)- propionic acid
N-Fmoc-(2S,3S)-3-Amino-2-hydroxy-3-(3- trifluoromethyl-phenyl)- propionic acid