Table 3: Bioactivities of tested compounds 15.

CompoundsMIC (µg·mL−1)Cytotoxicity
S. aureusB. licheniformisE. xiangfangensisE. fergusoniiP. aeruginosaHTB-176, IC50

1>25>259.3 ± 10.2>257.4 ± 2.4Inactive
2>25>25>256.3 ± 7.85.7 ± 5.922 ± 2.94
31.4 ± 2.4>25>252.5 ± 1.70.13 ± 0.410 ± 3.92
4>25>25>25>2512.5 ± 14.22 ± 7.6
5>25>25>25>25>25Inactive
Amikacin0.5230.5230.5230.5230.523
Kahalalide F4.3 ± 0.25

MIC>25 μg·mL−1; IC50 in μM.