Guanidine derivs - with stimulant psychotherapeutic, sali - diuretic and antipyretic activity

摘要

Title derivs. of formula (I): (where X is H, halogen, HOCH2- or Me) and their addn. salts. They are prepd. by reacting cpds. (II): with H2N-CN in the presence of an acid and opt. releasing the free base from the salt obtd.