Analogifremgangsmåde til fremstilling af 3-isonicotinoyl-benzofuranderivater

Method of treating mammals to induce fibrinolysis or counteract fibrinolytic syndromes by administering a compound of the formula WHEREIN R1 represents a straight or branched chain alkyl group containing from 1 to 8 carbon atoms, cyclohexyl, or phenyl, 4-methylphenyl or 4-chlorophenyl; R2 represents 4-pyridyl or N-oxide derivative thereof; and R3 represents hydrogen, hydroxyl, methyl, methoxyl, chlorine or bromine or a pharmaceutically acceptable acid solution salt of said benzofuran derivative, and a pharmaceutical carrier therefor.