Besifloxacin

Besifloxacin (3S)-Isomer Besifloxacin (3S)-Isomer :

7-[(3S)-3-Aminohexahydro-1H-azepin-1-yl]-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid ; CAS : 141388-77-4 ; C19H21ClFN3O3 ; Mol. Wt.: 393.84 ;
Besifloxacin 8-Dechloro Impurity Besifloxacin 8-Dechloro Impurity :

(R)-7-(3-Aminohexahydro-1H-azepin-1-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid ; CAS : 141388-69-4 ; C19H22FN3O3 ; Mol. Wt.: 359.39 ;
Besifloxacin

Besifloxacin :

 7-[(3R)-3-Aminohexahydro-1H-azepin-1-yl]-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Hydrochloride ; CAS : 405165-61-9 ; C19H22Cl2FN3O3 ; Mol. Wt.: 430.3 ;