5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-((acetyloxy)methyl)-7-((fluoro-2-thienylacetyl)amino)-8-oxo-, (6R-(6alpha,7beta))- 7(alpha-Fluoro-2-thienylacetamido)cephalosporanic acid 94788-69-9 L 14655 L-14655