121412-77-9

Cefprozil (Z)-IsoMer Cefprozil Impurity 7 Cefprozil (Z)-Isomer (200 mg) Cefprozil Impurity 1 (Z-Cefprozil) CEFPROZIL (Z)-ISOMER (200 MG)H0E054927UG/MG(AI) 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(1Z)-1-propen-1-yl-, (6R,7R)- Cefprozil (Z)-Isomer/(Z)-(6R,7R)-7-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(1-propen-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid