Potently inhibits the desensitization of AMPA receptors. Antihypertensive. Alternative name: 3-Bicyclo[2.2.1]hept-5-en-2-yl-6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, 6-Chloro-3,4-dihydro-3[2-norbornen-5-yl]-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Purity: ≥98% (HPLC (UV)). Solubility: Soluble in DMSO, methanol (36mg/ml) or dilute aqueous base (36mg/ml); insoluble in water. Long Term Storage: +4°C.