AIDS-104593 AIDS104593 Cephalosporin fluoroquinolonate deriv S-PCT [3-[((1H-1,2,3-Triazol-5-yl)-thio)methyl]-2-carboxy-8-oxo-5-thia-1-azabicyclo-[4,2,0]oct-2-en-7-yl] ammonium, 1-cyclopropyl-6-fluoro-7-piperazin-1-yl)-1,4-dihydro-4-oxo-3-quinoline carboxylate