Cefazolin impurity 7/Cefazolin EP Impurity J/2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-methylene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid , 0.95 , 【1675245-00-7】
Molecular Formula: C11H12N6O5S
Formula Weight: 340.31
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