Carbonic anhydrase inhibitor28 (Compound 11) serves as an inhibitor for the Pseudomonas aeruginosa carbonic anhydrase. It exhibits antibacterial activity, with minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values of 0.5 and 1 µg/mL, respectively, against P. aeruginosa. Carbonic anhydrase inhibitor28 is utilized in research focused on anti-infection applications.