Fluoroquinolone antibacterial agent. Structurally similar to ofloxacin. Specific inhibitor of bacterial DNA gyrase (topoisomerase). Inhibits B-cell differentiation. Shows photosensitizing effects. Alternative name: 6-Fluoro-2,3-dihydro-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzothia zine-6-carboxylic acid . hydrochloride, MF-934 . hydrochloride. Purity: ≥98% (Assay). Appearance: Off-white to light green crystalline solid. Solubility: Sparingly soluble in water; very slightly soluble in methanol; almost insoluble in chloroform or acetic acid. Long Term Storage: -20°C.