10209-10-6

diphenylmethyl (6R-trans)-3-methyl-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (6R)-3-Methyl-8-oxo-7α-(phenyloxyacetylamino)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester (6β)-3-Methyl-7α-[(phenoxyacetyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid diphenylmethyl ester 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-methyl-8-oxo-7-[(2-phenoxyacetyl)amino]-, diphenylmethyl ester, (6R,7R)-