2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid, sodium salt (Amoxicillin Impurity)

2-((2-Amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid, sodium salt (Amoxicillin Impurity)