ceftibuten sidechain

(Z)-2-(2-benzoylcarbonylaminothiazol-4-yl) 4-carboxy-2-butenoic acid prenyl ester

2-[2-[[(PhenylMethoxy)carbonyl]aMino]-4-thiazolyl]-2-pentenedioic acid 5-(3-Methyl-2-butenyl)

(Z)-2-(2-(benzyloxycarbonylaMino)thiazol-4-yl)-5-(3-Methylbut-2-enyloxy)-5-oxopent-2-enoic acid

2-(2-(((Benzyloxy)carbonyl)amino)thiazol-4-yl)-5-((3-methylbut-2-en-1-yl)oxy)-5-oxopent-2-enoic a

2-[2-[[(PhenylMethoxy)carbonyl]aMino]-4-thiazolyl]-2-pentenedioic acid 5-(3-Methyl-2-butenyl) este