108361-79-1 4,6-Dimethylisothiazolo(5,4-b)pyridin-3(2H)-one 1,1-dioxide, ammonium salt Ammonium salt of 2H-4,6-dimethylpyrido(3,2-d)isothiazolin-3-one-1,1-dioxide Isothiazolo(5,4-b)pyridin-3(2H)-one, 4,6-dimethyl-, 1,1-dioxide, ammonium salt