拉氧头孢

5-Oxa-1-Azabicyclo[4.2.0]Oct-2-Ene-2-Carboxylic Acid, 7-[[(2R)-Carboxy(4-Hydroxyphenyl)Acetyl]Amino]-7-Methoxy-3-[[(1-Methyl-1H-Tetrazol-5-Yl)Thio]Methyl]-8-Oxo-, (6R,7R)- (9Ci)