TABLE 3.

Antibacterial activity of compound 19 (azi-OON-Cl) and standard antibiotics against recent RTI-related clinical isolates of H. influenzae collected in Croatia^a

Compound	MIC (μg/ml)
	50%	90%	Range	Geometric mean
19 (azi-OON-Cl)	2	4	2–4	2.38
Telithromycin	2	2	1–4	1.51
Azithromycin	1	2	0.5–2	1.16
Clarithromycin	8	8	2–16	5.76
Clindamycin	8	16	2–>16	6.89
Ampicillin	0.125	1	0.125–>16
Cefotaxime	≤0.03	≤0.03	≤0.03–0.125
Moxifloxacin	≤0.03	≤0.03	≤0.03

^aData are for 37 H. influenzae isolates.