Cefixime Impurity A(EP)
Cefixime Impurity B (Mixture of Diastereomers) (EP)
 Cefixime Impurity C (EP) (Cefixime 7-epimer ) 
Cefixime Impurity D (EP) (Cefixime E-isomer )
Cefixime Impurity E (EP)
Cefixime Impurity F (EP)
Cefixime Methyl Ester
Cefixime Oxide Impurity
Cefixime Lactone
Cefixime Impurity E precursor (EP)
Cefixime Impurity B(7E)
Δ3-Cefixime
Cefixime Double Mother Nucleus 1
Cefixime Double Mother Nucleus 2
Cefixime  Hydration Impurity
Cefixime Tert-Butyl Ester Impurity A
Cefixime-13C,15N2
Cefixime Tert-Butyl Ester Impurity B
Cefixime Unknown Impurity 6
Cefixime Polymer Impurity B（Cefixime Bilateral-Chain）
Cefixime Bilateral-Chain Double-Bond Shift Impurity
Cefixime Lateral-Chain Ethyl Ester 1
Cefixime Lateral-Chain Ethyl Ester 2
Cefixime Dimer A
Cefixime Dimer B
Cefixime Dimer C
Cefixime Dimer D
Cefixime Dimer E
Cefixime Dimer F
Cefixime Amide Impurity A
Cefixime Amide Impurity B
Cefixime 7-Methyl Ester Impurity
Cefixime GENE Impurity 1
Cefixime GENE Impurity 
Cefixime-2-hydroxyimino tertiary butyl acetoacetate Impurity
Cefixime -2- methoxycarbonyl methoxyimino tertiary butyl acetate Impurity
Hydroxymethyl Cefixime Impurity

etc.