diethyl 2-prop-1-en-2-ylpropanedioate

Diethyl [4-(2-methyl-2-propanyl)benzyl]malonate

Diethyl bis(p-tert-butylbenzyl)malonate

diethyl 2-acetamido-2-[(4-fluorophenyl)methyl]propanedioate

diethyl 2-(1-phenylpentyl)propanedioate