57561-88-3 | N-[1-[(E)-1-hydroxy-1-[(4-nitrophenyl)methoxy]-3-oxo-but-1-en-2-yl]-2-(4-methylphenyl)sulfonylsulfanyl-4-oxo-azetidin-3-yl]-2-phenoxy-acetamide | C29H27N3O10S2 |
57561-95-2 | Benzhydryl (2R-(1(R*),2alpha,3alpha))-alpha-(isopropenyl)-4-oxo-3-((phenoxyacetyl)amino)-2-(((p-tolyl)sulphonyl)thio)azetidine-1-acetate | C36H34N2O7S2 |
57561-98-5 | benzhydryl (Z)-3-methoxy-2-[(2R)-2-(4-methylphenyl)sulfonylsulfanyl-4-oxo-3-[(2-phenoxyacetyl)amino]azetidin-1-yl]but-2-enoate | C36H34N2O8S2 |