2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-N-methoxy-, 1,1-dioxide, hemihydrate 6-Chloro-N-methoxy-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide hemihydrate 6-Chloro-o-methyl-2H-1,2,4-benzothiadiazin-7-sulfohydroxamic acid, 1,1-dioxide hemihydrate 63937-23-5