Table 1. Inhibitory Activity of Compounds 1–8.

Compound	IC50 against E. coli MS 200–1 (μM)	In vitro IC50 against CutC (μM)
1	6,300 ± 1,800	840 ± 100
2	950 ± 340	2,000 ± 300
3	1,600 ± 300	7,000 ± 2,000
4	760 ± 150	2,600 ± 1,100
5	27,000 ± 4,000	>10,000
6	10 ± 4	2.9 ± 0.7
7	920 ± 80	420 ± 100
8	1,800 ± 600	N/Aa

^aN/A = not available.