the in-vitro activity of azithromycin against 60 clinical isolates of salmonella typhi was determined by broth microdilution and compared with eight macrolides , including erythromycin , and with other orally administered antimicrobial agents ( ampicillin , amoxycillin , cefaclor , trimethoprim/sulphamethoxazole , chloramphenicol , tetracycline , and ciprofloxacin ) .
C0052796
azithromycin
C0014806
erythromycin