Which one of the following agents is classified pharmacologically as a carbonic anhydrase inhibitor.. Acetazolamide - iamox

Which one of the following agents is classified pharmacologically as a carbonic anhydrase inhibitor:
A) Indapamide (Lozol)
B) Acetazolamide (iamox)***
C) Chlorthalidone (Hygroton)
D) Torsemide (Demadex)
E) Amiloride (Midamor).