Cefpodoxime Proxetil EP Impurity F (Mixture of Diastereomers);1-propan-2-yloxycarbonyloxyethyl (6R,7R)-7-[[(2Z)-2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;Cefpodoxime Proxetil impurity 6/Cefpodoxime Proxetil EP Impurity F/2-Formyl-cefpodoxime Proxetil/1-((isopropoxycarbonyl)oxy)ethyl-(6R,7R)-7-((Z)-2-(2-formamidothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2;(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-formamidothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;Cefpodoxime Proxetil EP Impurity F;Cefpodoxime Impurity F (Diastereomer Mixture);Cefpodoxime Proxetil Impurity F (Mixture of Diastereomers);5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-2-[2-(formylamino)-4-thiazolyl]-2-(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-, 1-[[(1-methylethoxy)carbonyl]oxy]ethyl ester, (6R,7R)-