A 2-halopyridine-6-sulfonic acid and its salt represented by the formula: ##STR1## wherein X is a halogen atom, and M is a hydrogen atom or a metal atom. The compounds are useful as intermediates for producing fluorinating agents (reagents for introducing fluorine atoms).
一种以以下结构式表示的2-卤
吡啶-6-
磺酸及其盐:##STR1## 其中X是卤素原子,M是氢原子或
金属原子。这些化合物可用作制备
氟化剂(引入
氟原子的试剂)的中间体。