Synonyms: 1,1-Cyclopropanedicarboxylicacid, 2-ethenyl-, diethyl ester (9CI);1,1-Cyclopropanedicarboxylic acid,2-vinyl-, diethyl ester (8CI);1,1-Cyclopropanedicarboxylic acid, vinyl-,diethyl ester (6CI,7CI);1,1-Bis(ethoxycarbonyl)-2-vinylcyclopropane;Diethyl2-ethenylcyclopropane-1,1-dicarboxylate;Diethyl2-vinylcyclopropane-1,1-dicarboxylate;