cinnamylidene-malonic acid diethyl ester, Cinnamylidenmalonsaeurediaethylester, diethyl [(2E)-3-phenylprop-2-en-1-ylidene]propanedioate, Diethyl cinnamylidenemalonate, (3-Phenyl-allyliden)-malonsaeure-diethylester, Propanedioic acid,2-(3-phenyl-2-propen-1-ylidene)-,1,3-diethyl ester, diethyl phenylallylidenemalonate, diethyl [(2Z)-3-phenylprop-2-en-1-ylidene]propanedioate, diethyl 2-[3-phenylprop-2-en-1-ylidene]propanedioate