(+/-)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 82419-36-1 AIDS-001339 AIDS001339 DL-8280 Exocin Floxin HOE 280 OFLX OFX Ocuflox Ofloxacin Zanocin