2-(4-Chlorobenzylidene)malonic acid isopropylidene ester

5-(4-Chlorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

5-[(4-CHLOROPHENYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE