EPO0120010
Ofloxacin impurity A - (RS)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido [1,2,3-de][1,4]benzoxazine-6-carboxylic acid (FPA)
EPO0120050
Ofloxacin impurity E - (RS)-9-fluoro-3-methyl-10-(piperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido [1,2,3-de] [1,4]benzoxazine-6-carboxylic acid