名称:
Preparation of 2-hydroxyamino-.alpha.,.alpha.,.alpha.-trifluoro-p-toluenesulfonamide by catalytic hydrogenation and its use in the synthesis of 2,3-dihydro-4H-1,2,4-benzothiadiazin-4-ol-1,1-dioxides. Studies in infrared and proton magnetic resonance spectra