88621-01-6

Cefixime Impurity 7 CefixiMe Methyl Ester Cefixime Side Chain Methyl Ester 7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-2-(2-amino-4-thiazolyl)[(2-methoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-, (6R,7R)- Cefixime impurity 7/Cefixime Methyl Ester/2-((((Z)-1-(2-aminothiazol-4-yl)-2-(((6R,7R)-2-(methoxycarbonyl)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)amino)-2-oxoethylidene)amino)oxy)acetic acid