Ampicillin EP Impurity M

Chemical Name: (2S,5R,6R)-6-((2R)-2-(2-((R)-2-amino-2-phenylacetamido)-2-((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Smile: O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC([C@H](NC(C(NC([C@H](N)C3=CC=CC=C3)=O)C4SC(C)(C)[C@H](C(O)=O)N4)=O)C5=CC=CC=C5)=O)N1C2=O)O