CTF01: Ceftiofur (Acid)

(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
[CAS # 80370-57-6]

CTF02: Ceftiofur Sodium

(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid sodium salt
[CAS # 104010-37-9]

CTF03: Ceftiofur Hydrochloride

(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid monohydrochloride