Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 3-(hydroxymethyl)-8-oxo-7-[2-(4-pyridylthio)acetamido]-, acetate (ester),monosodium salt (8CI); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[(acetyloxy)methyl]-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-, monosodiumsalt, (6R,7R)- (9CI); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-[(acetyloxy)methyl]-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-, monosodiumsalt, (6R-trans)-; 7-[a-(4-Pyridylthio)acetamido]cephalosporanic acid sodium salt; Ambrocef; BLP1322; Brisfirina; Bristocef; Cef-Lak; Cefa-Lak; Cefadyl; Cefaloject; Cefapirinsodium; Cefaprin sodium; Cefatrexyl; Cephapirin sodium; Cephatrexil; NSC179171; Piricef; Sodium cefapirin; Sodium cephapirin; Today