Cefditoren Dimer Impurity (Cefditoren impurity 9)

878002-85-8

(6R,6'R,7R,7'R,Z)-Bis((pivaloyloxy)methyl) 7,7'-(((2Z,2'Z)-2,2'-(2,2'-(methylenebis(azanediyl))bis(thiazole-4,2-diyl))bis(2-(methoxyimino)acetyl))bis(azanediyl))bis(3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate); 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2Z)-2-[2-[[[[4-[(4Z)-2-[[(6R,7R)-2-[[(2,2-dimethyl-1-oxopropoxy)methoxy]carbonyl]-3-[(1Z)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl]amino]-1-(methoxyimino)-2-oxoethyl]-2-thiazolyl]amino]methyl]amino]-4-thiazolyl]-2-(methoxyimino)acetyl]amino]-3-[(1Z)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (6R,7R);