S-(R*,R*)-β-[(2-aminophenyl)thio]-α-hydroxy-4-methoxybenzenepropanoic acid, (+)-(2S,3S)-2-hydroxy-3-(4-methoxyphenyl)-3-(2-aminophenylthio)propanoic acid, (αS,βS,1R,2S)-β-[(2-aminophenyl)thio]-α-hydroxy-β-(4-methoxyphenyl)propanoic acid, (2s,3s)-3-(2-aminophenylthio)-2-hydroxy-3-(4'-methoxyphenyl)-propionic acid, (AlphaS,BetaS)-Beta-[(2-Aminophenyl)thio]-Alpha-hydroxy-4-methoxybenzenepropanoic Acid,