Displaying 1 results of Nadifloxacin Stable Isotopes Nadifloxacin is a topical antibiotic used to treat acne vulgaris. Stable isotopes of nadifloxacin are non-radioactive versions of the molecule that have the same chemical and physical properties as the original, but with a different number of neutrons. These isotopes are used in research studies to track the molecule's movement in biological systems and to develop more effective treatments.