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Time kill curves for compound 22 and colistin. Top: AB 4106. Bottom: KP B9. Blue: Untreated bacteria. Red: 5 μM 22. Orange 5 μM 22 + 0.5 μg/mL colistin. Green: 5 μM 22 + 4 μg/mL colistin. Purple: 5 μM 22 + 32 μg/mL colistin. Data ± SD from at least four replicates.
