5-Amino-1-cyclopropyl-7-(cis-3,5-dimethyl-1-piperazinyl)-6,8-difluoro-1,4- dihydro-4-oxo-3-quinolinecarboxylic acid & 3-[[(4-Methyl-1- piperazinyl)imino]methyl]rifamycin AIDS-008328 AIDS008328 Sparfloxacin (CI 978) & Rifampin