Picoline derivatives of the formula I ##STR1## wherein the substituents have the meanings given in the description, and their salts are new compounds having a pronounced protective action on the stomach.
式I的
吡啶醛衍
生物##STR1##,其中取代基具有描述中给出的含义,它们的盐是一种对胃具有显著保护作用的新化合物。