英文别名Cefprozil Impurity 5; Cefprozil Delta-3 Isomer; Cefprozil Impurity; (6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid; Δ3-Cefprozil,Cefprozil Delta3 Isomer; Δ3-Cefprozil; 5-Thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(1Z)-1-propen-1-yl-, (6R,7R)-; Cefprozil 3-ene Impurity 
