
| Product Code: DH/LFC/1005 | Molecular Formula: C17H20FN3O2 |
| CAS Number: 178964-53-9 | Molecular Weight: 317.36 |
Synonyms: (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine; Levofloxacin Descarboxy Impurity.

| Product Code: DH/LFC/1006 | Molecular Formula: C13H9F2NO4 |
| CAS Number: 100986-89-8 | Molecular Weight: 281.21 |
Synonyms: (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid; Levofloxacin Related Compound B ; Levofloxacin Difluoro Carboxylic Acid

| Product Code: DH/LFC/1007 | Molecular Formula: C16H19ClFN3O4 |
| CAS Number: 1346603-62-0 | Molecular Weight: 371.79 |
Synonyms: : (S)-9-fluoro-3-methyl-10-((2-(methylamine)ethyl)amino) -7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride; Levofloxacin Related Compound E ; Levofloxacin Impurity Desethylene ; N,N’-Desethylene Levofloxacin Hydrochloride

| Product Code: DH/LFC/1008 | Molecular Formula: C20H24FN3O4 |
| CAS Number: 177472-30-9 | Molecular Weight: 389.42 |
Synonyms: Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate;Levofloxacin Related Compound C ; Levofloxacin Ethyl Ester

| Product Code: DH/LFC/1009 | Molecular Formula: C18H20FN3O4 |
| CAS Number: 178912-62-4 | Molecular Weight: 361.37 |
Synonyms: : (-)-(S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid; Levofloxacin 9-Piperazinyl Isomer.