Return to Article Details SYNTHESIS OF 6'-CARBAMOYLMETHYLTHIO-5'-CYANO-1',4'-DIHYDRO-3,4'-BIPYRIDINE-3'-CARBOXYLIC AND 6'-CARBAMOYLMETHYLTHIO-5'-CYANO-1',4'-DIHYDRO-4,4'-BIPYRIDINE-3'-CARBOXYLIC ESTERS AND INVESTIGATION OF THEIR STABILITY. 2. ESTERS OF 6'-CARBAMOYLMETHYLTHIO-5'-CYANO-1',4'-DIHYDRO-4,4'-BIPYRIDINE-3-CARBOXYLIC ACIDS Download Download PDF