Ofloxacin EP Impurity E

Chemical Name: Ofloxacin USP Related Compound A ; N-Desmethyl Ofloxacin ; (RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ;