氯碳头孢

p-nitrobenzyl 7β-[(phenoxyacetyl)amino]-3-hydroxy-1-carba-1-dethia-3-cephem-4-carboxylate

cis-α-diazo-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid,(4-nitrophenyl)methyl ester

carbacephalosporin hydrochloride

cis-4-oxo-3-[(phenoxyacetyl)amino]-2-azetidinepropanoic acid