172753-43-4 2-Propenoic acid, 2-cyano-3-(2-(dimethylamino)-1,4-dihydro-4-oxo-3-quinolinyl)-, ethyl ester Ethyl 2-cyano-3-(2-(dimethylamino)-1,4-dihydro-4-oxo-3-quinolinyl)-2-propenoate Ethyl ester of alpha-cyano-beta-(2-dimethylamino-4-oxo-1,4-dihydroquinolin-3-yl)acrylic acid