DERIVATIVES OF PYRIDINE AND THEIR PHARMACEUTICALLY ACCEPTABLE SALTS, PHARMACEUTICAL COMPOSITION BASED ON SAID AND INTERMEDIATE SUBSTANCES Russian patent published in 1999 - IPC

FIELD: organic chemistry, pharmacy. SUBSTANCE: invention relates to derivatives of pyridine of the formula (I) where M means -NR³; R³ - hydrogen atom or the group -NR⁴-D-TR⁵ where T means N; D is C_2-3-alkylene group; R⁴,R⁵ in common mean C_2-3-alkylene group; X - a simple bond, C_1-4-alkylene group, phenylenecarbonyl, C_1-2-alkylenecarbonyl, C_1-2-alkylenecarbonyloxy-, C_1-2-alkylene-CONH-, C_1-4-alkylene-oxy-group (other values see p. 1 of the invention claim). Compounds show ability to inhibit platelet aggregation and inhibit fibrinogen binding with GPIIb/IIIa. EFFECT: valuable pharmacological properties of compounds. 16 cl, 1 tbl, 157 ex