3-OH Cephem

Chemical Name: Phenylacetylamino-3-Hydroxy Cephem Sulfoxide Benzhydryl ester.
Molecular formula: C₂₈H₂₄N₂O₅S
Exact Mass: 500.14
Molecular weight: 500.57
C, 67.18; H, 4.83; N, 5.60; O, 15.98; S, 6.41
Chemical structure:

Application: For Cefaclor, Ceftizoxime, Ceftibuten.