Bimakalim;2,2-Dimethyl-4-(1,2-dihydro-2-oxopyridine-1-yl)-2H-1-benzopyran-6-carbonitrile;2,2-Dimethyl-6-cyano-4-[(1,2-dihydro-2-oxopyridin)-1-yl]-2H-1-benzopyran;6-Cyano-4-(2-oxo-1,2-dihydropyridine-1-yl)-2,2-dimethyl-2H-1-benzopyran;EMD-52692;SR-44866