51762-04-0

Cephalosporin C sodium salt Cefuroxime Sodium Impurity 6 (7R)-3-(Acetyloxymethyl)-7-[[(R)-5-amino-5-carboxy-1-oxopentyl]amino]cepham-3-ene-4-carboxylic acid 4-sodium salt (6R)-3-acetoxymethyl-7t-((R)-5-amino-5-carboxy-pentanoylamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylicacid,monosodiumsal 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-[[(5R)-5-amino-5-carboxy-1-oxopentyl]amino]-8-oxo-, sodium salt (1:1), (6R,7R)- sodium hydrogen [6R-[6alpha,7beta(R*)]]-3-(acetoxymethyl)-7-[(5-amino-5-carboxylato-1-oxopentyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate sodium hydrogen [6R-[6alpha,7beta(R*)]]-3-(acetoxymethyl)-7-[(5-amino-5-carboxylato-1-oxopentyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate