tosufloxacin tosilate and its Impurities

Tosufloxacin Tosilate is sold in Japan under the brand name Ozex. It is indicated for the treatment of various infections such as skin, respiratory, urinary, gynecologic, ophthalmologic, otolaryngologic, dental infections. Reference standards of Tosufloxacin Tosilate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.