Cefixime头孢克肟EP 杂质A/B/C/D/E/F对照品
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头孢克肟杂质信息如下:
头孢克肟杂质A
Cefixime impurity A:α-[[(Z)-2-(2-amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-2-[(2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid
头孢克肟杂质B
Cefixime impurity B:2-[[(Z)-[1-(2-amino-4-thiazolyl)-2-[[[(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]methyl]amino]-2-oxoethylidene]amino]oxy]acetic Acid
头孢克肟杂质C:
Cefixime impurity C: 7-epi-Cefixime
头孢克肟杂质D:
Cefixime impurity D (E)-Cefixime
头孢克肟杂质E
Cefixime impurity E: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
头孢克肟杂质F
Cefixime impurity F: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(2-ethoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
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