Synonyms: Ceftiofur Hydrochloride [USAN];5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl)amino)-3-(((2-furanylcarbonyl)thio)methyl)-8-oxo, monohydrochloride, (6R,7R);(6R,7R)-7-(2-(2-Amino-4-thiazolyl)glyoxylamido)-3-(mercaptomethyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7(sup 2)-(Z)-(O-methyloxime), 2-furoate (ester), monohydrochloride ; 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2-amino-4-thiazolyl)(methoxyimino)acetyl)amino)-3-(((2-furanylcarbonyl)thio)methyl)-8-oxo-, monohydrochloride, (6R-(6alpha,7beta(Z)))-;