Table 8. The antibacterial activity of compounds 179–183, 185–186.

Compd	Antibacterial activity MIC (μg mL−1)
	S. aureus	S. pneumoniae	H. influenzae	E. coli	K. pneumoniae	A. baumannii	P. aeruginosa
179	≤0.06	0.13	4	4	>64	8	8
180	≤0.06	0.25	2	2	32	4	4
181	1	2	4	4	64	16	32
182	≤0.06	≤0.06	1	4	32	4	8
183	0.13	1	4	4	32	8	6
185	0.008	0.001	0.031	0.125	2	0.125	2
186	0.004	0.001	0.031	0.125	1	0.25	1