cefradine - (6R,7R)-7-[[(2R)-amino(cyclohexa-1,4-dienyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefradine EP Impurity -C-Cephradine Sulfoxide (Isomer 1); (6R,7R)-7-((R)-2-Amino-2-(cyclohexa-1,4-dien-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-Oxide (Isomer 1).
cefradine EP Impurity-D-Cephradine Sulfoxide (Isomer 2); (6R,7R)-7-[[(2R)-amino(cyclohexa-1,4-dienyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide.;
cefradine EP Impurity-E- (6R,7R)-7-[[(2R)-amino(2-hydroxyphenyl)acetyl]amino]-
3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-
carboxylic acid;
cefalixin - Cephalexin, Cefalexina.Cephalexin monohydrate,Cephalexin hydrochloride.(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;