levofloxacin, fluoroquinolone antibiotic molecule. it is used to treat bacterial sinusitis, pneumonia. skeletal chemical formula o

anthrax antibacterial antibiotic antimicrobial atom atomic background bacteria bacterial bacterium blue carbon chemical chemistry dark drawing enantiomer flat fluorine fluoroquinolone formula grampositive gyrase hydrogen icon illustration infection levofloxacin microbe molecular molecule nitrogen ofloxacin organic oxygen pneumonia quinolone sinusitis skeletal structural structure topoisomerase treat used white