Amoxicillin EP Impurity A ; 6-Aminopenicillanic Acid ; CAS # 551-16-6 ;

L-Ampicillin ; (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS # 19379-33-0 ;

Ampicillin Diketopiperazine ; Ampicillin Dione ; CAS # 49841-96-5 ;

Ampicillin Penicilloic Acid ; (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino] carboxymethyl]-5,5-dimethylthiazolidine-4-carboxylic acid ; CAS # 32746-94-4 ;

Ampicillinyl-D-phenylglycine ; CAS # 1207726-28-0 ;

(2RS,4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino] methyl]-5,5-dimethylthiazolidine-4-carboxylic acid ; Penilloic Acids of Ampicillin ; CAS # 124774-48-7 ; 124774-49-8 ;

(3R,6R)-3,6-Diphenylpiperazine-2,5-dione ; CAS # 31485-02-6 ;

3-Phenylpyrazin-2-ol ; CAS # 2882-18-0 ;

D-Phenylglycylampicillin ; CAS # 10001-82-8 ;

(2S,5R,6R)-6-[(2,2-Dimethylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS # 6489-58-3 ;

(2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-phenylacetic acid ; CAS # 40610-41-1 ;

D-Phenylglycine ; (2R)-2-Amino-2-phenylacetic acid ; CAS # 875-74-1 ;