191470-05-0 AIDS-104587 AIDS104587 S-PEA [3-[(Acetyloxy)methyl]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4,2,0]oct-2-en-7-yl]ammonium,1-ethyl-6-fluoro-7-(piperazin-1-yl)-1,4-dihydro-4-oxo-3-quinoline carboxylate