CAS Number: 141388-77-4
Chemical Name: Besifloxacin (3S)-Isomer
Molecular Formula: C19H21ClFN3O3
Molecular Weight: 393.84

CAS Number: 141388-69-4
Chemical Name: Besifloxacin 8-Dechloro Impurity
Molecular Formula: C19H22FN3O3
Molecular Weight: 359.39

CAS Number: 405165-61-9
Chemical Name: Besifloxacin Hydrochloride
Molecular Formula: C19H22Cl2FN3O3
Molecular Weight: 430.30