Table 2.

Antibacterial activity (MIC and MBC values, µg/mL) of triphenylphosphonium-hydrazone derivatives (1a–1e) against carbapenem-resistant bacterial strains compared with colistin

Bacterial strains	1a		1b		1c		1d		1e		Colistin
	MIC	MBC	MIC	MBC	MIC	MBC	MIC	MBC	MIC	MBC	MIC	MBC
A. baumannii	64	128	128	256	64	128	32	64	64	128	2	4
E. coli	128	512	256	512	256	512	128	256	128	256	1	2
K.pneumoniae	256	512	256	512	128	256	64	256	256	512	0.5	1