(2008/06/13)
(+/-)-9,10-difluoro-3-hydroxymethyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid ethyl ester
3,5-dinitrobenoyl chloride
(+)-9-fluoro-3-fluoromethyl-2,3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylic acid
(-)-9-fluoro-3-fluoromethyl-2,3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylic acid
ethyl (S)-(-)-9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro-7H-Pyrido[1,2,3-de]-[1,4]Benzoxazine-6-Carboxylate
(+)-ethyl 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate
levofloxacin Q-acid