The molecule is a thiazolidinemonocarboxylic acid obtained via hydrolysis of the beta-lactam ring of amoxicillin. It has a role as an allergen. It is a conjugate acid of an amoxicilloate.
(2R,4S)-2-[(R)-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-carboxymethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid