氟氧头孢酸

(6R,7R)-7-({[(Difluoromethyl)Sulfanyl]Acetyl}Amino)-3-({[1-(2-Hydroxyethyl)-1H-Tetrazol-5-Yl]Sulfanyl}Methyl)-7-Methoxy-8-Oxo-5-Oxa-1-Azabicyclo[4.2.0]Oct-2-Ene-2-Carboxylic Acid