win 57273 , ciprofloxacin , and erythromycin all inhibited growth of l. pneumophila in guinea pig alveolar macrophages at concentrations of 1 microgram/ml , but only win 57273 prevented regrowth or killed l. pneumophila after removal of extracellular antimicrobial agent .
C0014806
erythromycin
C1136254
antimicrobial agent