3-Quinolinecarboxylic acid, 7-[4-[2-[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy]-2-oxoethyl]-1-piperazinyl]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo- AIDS-175276 AIDS175276