Levofloxacin Difluoro Carboxylic Acid ;

(S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid ;

CAS # 100986-89-8 ;

C13H9F2NO4 ;

MW: 281.21 ;