Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2- carboxylic acid,7-[[(2R)-amino(4-hydroxyphenyl) acetyl]amino]-8-oxo-3-(1-propenyl)-,(6R,7R)-;5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((amino(4-hydroxyphenyl)acetyl)amino)-8-oxo-3-(1-propenyl)-, (6R-(6alpha,7beta(R*)))-;Cefprozilum [INN-Latin];Cefzil (TN);Cefprozil (USP);BMY 28100;(6R,7R)-7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-[(E)-prop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;Cronocef;Cefprozilo [INN-Spanish];CFPZ;Serozil;Brisoral;5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((2R)-amino(4-hydroxyphenyl)acetyl)amino)-8-oxo-3-(1-propenyl)-, (6R,7R)-;Cefprozil anhydrous;Cefzil;(6R,7R)-7-[(2R)-2-Amino-2-(4-hydroxyphenyl) acetylamino]-8-oxo-3-(1-pro-penyl)-5-thia-1-azabicylo [4.2.0]oct-2-ene-2-carboxylic acid;