191470-04-9 AIDS-104586 AIDS104586 S-EPCA [3-[(Acetyloxy)methyl]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4,2,0]oct-2-en-7-yl]ammonium,1-cyclopropyl-7-(4-ethyl-1-ethyl-1-piperazinyl)-6-fluoro-1,4-dihydro-4-oxo-3-quinoline carboxylate