Table 3.

Antibacterial activity of the compounds 6–20. MIC and MBC ¹ are expressed in µg/mL. Inhibition halos ² are expressed in mm.

Comp.	E. coli ATCC 25922			E. coli SA/2			P. aeruginosa ATCC 27853			E. faecalis ATCC 29212			E. faecalis B3/101 (VRE)			S. aureus ATCC 29213			S. aureus 66/1 (MRSA)
	Halo	MIC	MBC	Halo	MIC	MBC	Halo	MIC	MBC	Halo	MIC	MBC	Halo	MIC	MBC	Halo	MIC	MBC	Halo	MIC	MBC
6	0	>16	ND	0	ND	ND	0	>16	ND	0	>16	ND	0	ND	ND	0	>16	ND	0	ND	ND
7	0	>64	ND	0	ND	ND	0	>64	ND	0	>64	ND	0	ND	ND	0	>64	ND	0	ND	ND
8	0	>64	ND	0	ND	ND	0	>64	ND	0	>64	ND	0	ND	ND	0	>64	ND	0	ND	ND
9	0	>64	ND	0	ND	ND	0	>64	ND	0	>64	ND	0	ND	ND	0	>64	ND	0	ND	ND
10	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
11	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
12	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
13	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
14	0	>64	ND	0	ND	ND	0	>64	ND	0	>64	ND	0	ND	ND	0	>64	ND	0	ND	ND
15	0	>16	ND	0	ND	ND	0	>16	ND	10	>16	ND	0	ND	ND	9.5	>16	ND	0	ND	ND
16	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
17	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
18	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
19	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND
20	0	>32	ND	0	ND	ND	0	>32	ND	0	>32	ND	0	ND	ND	0	>32	ND	0	ND	ND

¹ MIC—minimum inhibitory concentration; MBC—minimum bactericidal concentration; ² halo of partial inhibition; ND—Not determined.