Synonyms: 2H-1,2,4-Benzothiadiazine-7-sulfonamide,6-chloro-3,4-dihydro-3-isobutyl-, 1,1-dioxide (6CI,7CI,8CI);3-Isobutyl-6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide1,1-dioxide; 3500S; Buthiazide; Butizid; Butizide; Eunephran;Isobutylhydrochlorothiazide; Modenol; S 3500; Saltucin; Su 6187; Thiabutazide