(4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid (Mixture of Diastereomers)

(4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid (Mixture of Diastereomers)