Carbonic anhydrase inhibitor 4 is carbonic anhydrase photoprobe/inhibitor. Carbonic anhydrase inhibitor 4 is against human carbonic anhydrases (hCA I-XIV) with Ki values of 640-1166 nM[1].
References
[1] Daniela Pagnozzi, et al. Interaction Studies between Carbonic Anhydrase and a Sulfonamide Inhibitor by Experimental and Theoretical Approaches. ACS Med. Chem. Lett.?2022, 13, 2, 271–277