35607-66-0 (FREE ACID) 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-methoxy-8-oxo-7-[(2-thienylacetyl)amino]-, (6R,7S)- AIDS-085768 AIDS085768 Cefoxitin