2H-1,2,4-Benzothiadiazine-7-sulfonamide, 3,4-dihydro-6-chloro-N,2-dimethyl-, 1,1-dioxide 3,4-Dihydro-6-chloro-N,2-dimethyl-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide 37458-91-6 K 688