(4,4'-Bipyridine)-3-carbonitrile, 1,4-dihydro-5-acetyl-2-mercapto-6-methyl- 1,4-Dihydro-5-acetyl-2-mercapto-6-methyl-(4,4'-bipyridine)-3-carbonitrile 116736-42-6 6-Methyl-5-acetyl-3-cyano-4-pyridyl-1,4-dihydropyridine-2(3H)-thione BRN 5753546