607706-96-7

L-Serine, N-[(1,1-dimethylethoxy)carbonyl]-L-leucyl-, methyl ester,1-cyclopropyl-7-[4-[(1,1-dimethylethoxy)carbonyl]-1-piperazinyl]-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylate (ester)