ChemNet > CAS > 90026-68-9 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-hydroxy-8-oxo-7-[(phenylacetyl)amino]-, (4-nitrophenyl)methyl ester,trans-
ChemNet > CAS > 90026-68-9 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,3-hydroxy-8-oxo-7-[(phenylacetyl)amino]-, (4-nitrophenyl)methyl ester,trans-