PYRIDINECARBOXIMIDAMIDE COMPOUNDS AND THE USE THEREOF

摘要

Disclosed are pyridinecarboximidamides having a vasodilating effect (hypotensive activity or antianginal activity), and acid adduct salts thereof. (see formula I) wherein when R1 represents an alkyl, hydroxyalkyl, carboxyl, amino, acylamino, alkylamino, dialkylamino, aralkylamino, alkylsulfonamide, bisalkylsulfonylamino or hydroxyl group, R2 represents a hydrogen atom and R3 represents a nitroxyl, 2-chlorophenyl or phenyl group; and when R1 represents a hydrogen atom, R2 represents an alkyl, hydroxyalkyl, carboxyl, amino, acylamino, alkylamino, dialkylamino, aralkylamino, alkylsulfonamide, bisalkylsulfonylamino or hydroxyl group and R3 represents a nitroxyl, 2-chlorophenyl or phenyl group. There is also disclosed the use of the compounds represented by the formula (I) for antihypertensive or antianginal purpose.