N-cyclohexyl-1,1-dioxo-1,2-benzothiazol-3-amine

3-piperidin-1-yl-1,2-benzothiazole 1,1-dioxide

3-morpholin-4-yl-1,2-benzothiazole 1,1-dioxide

N-ethyl-1,1-dioxo-1,2-benzothiazol-3-amine

吡罗昔康杂质 B