Cefa, Cephapirine, Cefapirinum, CEPR, Cefaprin sodium, Cefapirin, Cephapirin, Cefaprin, (6R)-3-acetoxymethyl-8-oxo-7t-(2-pyridin-4-ylsulfanyl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-(2-(4-pyridylthio)acetamido)cephalosporanic acid, (6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[(2-pyridin-4-ylsulfanylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, Cefapirine, Cefapirina