2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido-3-N,N-dimethylcarbamoyloxymethyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido-3-n,n-dimethylcarbamoyloxymethyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid