Antibacterial agent 203 (Compound 5h) has antibacterial and antifungal activity. Antibacterial agent 203 has potent antifungal activity against C. albicans , with a MIC of 3.90 μg/mL. Antibacterial agent 203 has antimicrobial activity on healthy mouse fibroblast cells (L929), with an IC 50 of 75.96 μM.