Cefadroxil EP Impurity F

Chemical Name: (6R,7R)-7-[[(2R)-2-[[(2RS)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP); (6R,7R)-7-{(2R)-2-[2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4-hydroxyphenyl)acetamido}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (as per USP)

Smile: O=C([C@@H](C1=CC=C(O)C=C1)NC([C@@H](C2=CC=C(O)C=C2)N)=O)N[C@H]3[C@](SCC(C)=C4C(O)=O)([H])N4C3=O