Einecs 224-024-8, 1,1-cyclopentanedicarboxylic acid diethyl ester, Cyclopentane-1,1-dicarboxylic acid diethyl ester, 1,1-Cyclopentanedicarboxylic acid 1,1-diethyl ester, 1,1-Cyclopentanedicarboxylic acid, diethyl ester, Cyclopentane-4,4-dicarboxylic acid diethyl ester, diethyl 1,1-cyclopentanedicarboxylate, Cyclopentan-1,1-dicarbonsaeure-diaethylester