(2S,5R,6R)-6-((S)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo (2S,5R,6R)-6-[[(2S)-2-amino-2-(4-hydroxyphenyl)-acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo-[3.2.0]heptane-2-carboxylic acid 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2S)-amino(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)- 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[amino(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, [2S-[2α,5α,6β(R*)]]- 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[2-amino-2-(p-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-, stereoisomer (8CI) L-Amoxicillin Amoxicillin Related Compound B (15 mg) (L-amoxicillin) AMoxicillin EP IMpurity B