Ciprofloxacin EP IMpurity B;Desfluroenrofloxacin Hydrochloride;Desfluorociprofloxacin;Ciprofloxacin impurity B (EP);1-Cyclopropyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride;Ciprofloxacin EP Impurity B HCl;Ciprofloxacin Impurity 2(Ciprofloxacin EP Impurity B);Ciprofloxacin EP Imp B