英文同义词
Einecs 221-249-3;Malonic acid, (1-ethoxyethylidene)-, diethyl ester;Nsc 233875;Propanedioic acid, (1-ethoxyethylidene)-, diethyl ester;Propanedioic acid, 2-(1-ethoxyethylidene)-, 1,3-diethyl ester;diethyl 2-(1-ethoxyethylidene)Malonate;(1-Ethoxyethylidene)propanedioic acid diethyl ester;100574