1,2-Benzisothiazol-3(2H)-one, 2-(2-(dibutylamino)ethyl)-, 1,1-dioxide, hydrochloride 2-(2-(Dibutylamino)ethyl)-1,2-benzisothiazol-3(2H)-one 1,1-dioxide hydrochloride 73698-50-7 NSC 372524