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 ;(7R)-3-(Acetyloxymethyl)-7-[[(R)-5-amino-5-carboxy-1-oxopentyl]amino]cepham-3-ene-4-carboxylic acid 4-sodium salt;Cephalosporin C sodium salt;sodiuM hydrogen...