CFD53: Cefdinir 3-Methyl Impurity (USP)

CFD53: Cefdinir 3-Methyl Impurity (USP)

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(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ;

CAS # 71091-93-5 ;

C13H13N5O5S2 ;

Mol. Wt.: 383.40 ;