53994-83-5

RC（7-ACCA-int4） Einecs 258-910-0 4-NITROBENZYL 7-AMINO-3-CHLORO-3-CEPHEM-4-CARBOXYLATE p-nitrobenzyl (6R-trans)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (6R)-7α-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (4-nitrophenyl)methyl ester (6R,6β)-7α-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (4-nitrophenyl)methyl ester 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-chloro-8-oxo-, (4-nitrophenyl)methyl ester, (6R,7R)-