氯碳头孢

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

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

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

3-[((R)-carboxy-phenyl-methyl)-amino]-but-2-enoic acid methyl ester

p-Nitrobenzyliden-2-aminopyrimidin

N-((2R,3S)-2-(2-(furan-2-yl)ethyl)-4-oxoazetidin-3-yl)-2-phenoxyacetamide

(6R*,7S*)-3-chloro-7-phenylacetamido-8-oxo-1-azabicyclo[4.2.0]oct-2-en-2-carboxylic acid

tert-butyl (6R,7S)-7-(1,3-dioxoisoindolin-2-yl)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

(6R*,7S*)-3-chloro-7-phthalylimido-8-oxo-1-azabicyclo[4.2.0]oct-2-en-2-carboxylic acid

tert-butyl (6R*,7S*)-3-chloro-7-phthalylimido-8-oxo-1-azabicyclo<4.2.0>oct-2-en-2-carboxylate

(6R,7S)-4-nitrobenzyl 3-chloro-7-((R)-2-((4-methoxy-4-oxobut-2-en-2-yl)amino)-2-phenylacetamido)-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

carbacephalosporin hydrochloride

1-benzyl-3β-((S)-2-oxo-4-phenyloxazolidin-3-yl)-4β-[2-(2-furyl)ethyl]azetidin-2-one

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

(R)-氨基苯乙酸甲酯

(6R,7S)-7-氨基-3-氯-8-氧代-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸