Amoxicillin Impurity K
Amoxicillin IMP (2R)-(2R)-2-[(2R,4S)thyl-2-thiazolidinyl]glycyl-(2R)-2-(4-hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycine