Antibacterial agent 133 (4l) is an antimicrobial agent that has shown anti-Candida activity, particularly through LMD enzyme inhibition. Antibacterial agent 133 shows MIC 90 values of 1.95 μg/mL against Candida albicans ATCC 24433, Candida smoothis ATCC 90030 and Candida subtilis ATCC 22019.