頭孢丙烯二聚體1(頭孢丙烯USP雜質I)
Product Name: Cefprozil Dimer 1(Cefprozil Impurity 
Catalog No: PI00030021
Chemical Formula: C36H36N6O9S2
(6R,7R)-7-((R)-2-((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-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)
-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid