Fig. 3

Chemical structures of the degradation products. Symbols: III, (5R)- and (5S)-amoxicilloic acid; IV, (5R)- and (5S)-amoxicillin diketopiperazine
Chemical structures of the degradation products. Symbols: III, (5R)- and (5S)-amoxicilloic acid; IV, (5R)- and (5S)-amoxicillin diketopiperazine