CAS No:68728-47-2,1642559-71-4 (Sodium Salt)||Chemical Formula:C16H21N3O6S||Molecular Weight:383.41944||Exact Mass:383.11511||Chemical Formula: C16H21N3O6S|(4S)-2-(((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid