AIDS-104626 AIDS104626 Cephalosporin fluoroquinolonate deriv S-EPCT [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]amminium, 1-cyclopropyl-6-fluoro-7-(4-ethylpiperazin-1-yl)-1,4-dihydro-4-oxo-3-quinoline carboxylate