https://www.ncbi.nlm.nih.gov/Structure/pdb/3M04
3M04: Carbonic Anhydrase II in complex with novel sulfonamide inhibitor
Carbonic anhydrase 2(4-CARBOXYPHENYL)(CHLORO)MERCURYZINC IONphenyl N-sulfamoylmorpholine-4-carboximidoate
carbonic anhydraseiicomplexnovelsulfonamide