dimethyl (Z)-2-(tetradec-9-en-4-yn-1-yl)malonate

dimethyl 4-pentenylmalonate

dimethyl 2-methyl-1,1-cyclopropanedicarboxylate

dimethyl 2-(2'-bromoallyl)malonate

dimethyl 2-(1,4-dioxaspiro[4.4]nonan-7-yl)malonate