33474-56-5 41068A 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-((acetyloxy)methyl)-7-((cyanophenylacetyl)amino)-8-oxo-, sodium salt 7-Phenylcyanacetylaminocephalosporanic acid Acide 7-phenylcyanacetylamino-cephalosporanique sel de sodium [French]