((1-(2-Acetoxyethyl)-1,2,3,4-tetrahydro-2,2,4-trimethyl-6-quinolinyl)methylene)malononitrile 69912-93-2 Propanedinitrile, ((1-(2-(acetyloxy)ethyl)-1,2,3,4-tetrahydro-2,2,4-trimethyl-6-quinolinyl)methylene)-