Methazolamide-d6 is the deuterium labeled Methazolamide. Methazolamide (L584601) is a sulfonamide derivative used as a carbonic anhydrase inhibitor with a Ki of 14 nM for human carbonic anhydrase II. Methazolamide, an intraocular pressure-lowering agent, reduces intraocular pressure elevations associated with glaucoma and other ocular disorders.