3,3-bis(ethylthio)-2-(tosylmethyl)acrylonitrile
6-chloro-2-oxo-2H-chromene-3-carbonitrile
3-cyanocoumarin
2,4-bis(bis(ethylthio)methylene)-3-(4-chlorophenyl)pentanedinitrile
2-(bisethyl(ethylthio)methylene)-4-(4-methoxybenzylidene)pentanedinitrile