Fluoroquinolone antibiotic. Inhibits bacterial DNA topoisomerase IV and DNA gyrase and forms a stable quinolone-DNA complex with these enzymes which reversibly inhibits DNA synthesis. Displays potent activity against gram-positive and gram-negative bacteria. Increases the production of mitochondrial NO in immortalized hepatocytes; also increases mitochondrial Ca2+. Inhibits Panx-1 (IC50 ~ 4μM). Purity 99%. MW (observed): 512.46