5575-21-3

Cefalonium is a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows.

ChEBI: (6R,7R)-3-[(4-carbamoyl-1-pyridin-1-iumyl)methyl]-8-oxo-7-[(1-oxo-2-thiophen-2-ylethyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate is a cephalosporin.