Chemical Name: (2S,5R,6R)-6-((2R)-2-(2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Synonym: Amoxicillin Related Compound J ; co-oligomers of amoxicillin and penicilloic acids of amoxicillin (as per EP)