Synonyms: Malonicacid, (3,4,5-trimethoxybenzylidene)-, diethyl ester (6CI); Propanedioic acid,[(3,4,5-trimethoxyphenyl)methylene]-, diethyl ester (9CI); 3,4,5-Trimethoxy-b,b-diethoxycarbonylstyrene; Diethyl(3,4,5-trimethoxybenzal)malonate; Diethyl 3,4,5-trimethoxybenzylidenemalonate;NSC 408979