PFX04: Pefloxacin EP Impurity D

Pefloxacin N-Oxide ;

4-(3-Carboxy-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)-1-methylpiperazine 1-oxide ;

CAS # 85145-21-7 ;

C17H20FN3O4 ;
Mol. Wt.: 349.36 ;