5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(((hydroxyimino)phenylacetyl)amino)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-, (6R-(6alpha,7beta(Z)))- 61606-60-8 SK&F 80000 SK&F-80000 Skf 80000