0 Levofloxacin hydrate CAS 138199-71-0 In APIs, Pharmaceutical Chemicals, Products 138199-71-0,Levofloxacin hydrate,(S)-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 hydrate (2:1)