CAS No:N/A||Chemical Formula:C14H16N8O5S3 ||Molecular Weight:472.51300 ||Exact Mass:472.04058 ||Cefazoloic Acid Isomers ,(R)-2-((R)-(2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-((5-methyl-1,3,4-thiadiazol-2-ylthio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid