TABLE 1.

MICs of lactivicin derivatives against clinical Gram-negative isolates

Isolate	MIC (μg · ml−1)
	LTV13	LTV17
Klebsiella pneumoniae NCTC5055	2	0.5
Citrobacter freundii D571	512	16
Enterobacter cloacae 30950	512	16
Enterobacter aerogenes 15-8358A	64	4
Serratia marcescens NCTC1041	4	4
Pseudomonas aeruginosa NCTC10662	256	1
Stenotrophomonas maltophilia K279a	64	≤0.0625
Acinetobacter baumannii 39-4034C	256	8