5-Thia-1-azabicyclo(4,2,0)oct-2-ene-2-carboxylic acid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-(6R,7R)-7-(2-(3,5-dichloro-4-oxo-1(4H)-pyridyl)acetamido)-, monosodium salt 56187-47-4 63521-15-3 Cefazedone sodium salt EINECS 264-293-9 EMD 30087 Refosporen Sodium (6R-trans)-7-(((3,5-dichloro-4-oxo-1(4H)-pyridyl)acetyl)amino)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate