Synonyms: 42461-28-9;Hydrochlorothiazide HCl;AC1L3X58;Hydrochlorothiazide hydrochloride;6-Chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, hydrochloride;2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-, 1,1-dioxide, hydrochloride;6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide hydrochloride (1:1)