"Cefaloridin"@en . . "cefaloridine"@en . "withdrawn"@en . "approved"@en . "Cephaloridine"@en . . "Cefaloridina"@en . "Cefaloridinum"@en . . . "Cephaloridine (or cefaloridine) is a first generation semisynthetic derivative of cephalosporin C. It is unique among cephalosporins in that it exists as a zwitterion."@en . . . "Cephalomycine"@en . . . . . "Renal. "@en . . . . "U.S. Patent 3,270,012."@en . . . "C\u00E9faloridine"@en . . . . . "(6R,7R)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)- 7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1- azabicyclo[4.2.0]oct-2-ene-2-carboxylate"@en . . . . . . . . . . . . . . . "50-59-9"@en .