levofloxacin antibiotic drug, structural chemical formula

anthrax antibiotic antimicrobial background bacteria bacterial bacterium black broad carbon chemical chemistry composition dammarane dietary drug enantiomer fluorine fluoroquinolone formula gyrase hospital hydrogen illustration infection levaquin levofloxacin medicine microbe microorganism molecular molecule nitrogen ofloxacine organic oxygen pneumonia quinolone resistance resistant sinusitis skeletal spectrum steroid structural structure supplement tavanic topoisomerase triterpene