6H34 The crystal structure of human carbonic anhydrase II in complex with 4-[(4-fluorophenyl)methyl]-1-piperazinyl]benzenesulfonamide. Homo sapiens (Human) 6H38 The crystal structure of human carbonic anhydrase VII in complex with 4-[(4-fluorophenyl)methyl]-1-piperazinyl]benzenesulfonamide. Homo sapiens (Human)