Table 2.

MIC values (µM) of compounds 1b–3b and 1c–3c against S. aureus SG511 under varying concentrations of Fe(III).^a.^b

		Test Organism
		Staphylococcus aureus SG511
Entry	Compound	MHII + Feb	MHII − Fec
1	1b	16	16
2	2b	128	64
3	3b	128	64
4	1c	64	32
5	2c	64	64
6	3c	4	1
8	Lorabid®	1	1
9	ciprofloxacin	0.5	0.5

^aMIC values were determined using the broth microdilution method using visual end point analysis according to the CLSI guidelines.(40)

^bEach compound was tested in triplicate.

^cMHII + Fe: Mueller-Hinton Broth No. 2 + 100 µM FeCl₃.

^dMHII − Fe: Mueller-Hinton Broth No. 2 + 100 µM 2,2’-bipyridine.