1,4-bis(1-oxo-3-ethoxycarbonylpropyl)benzene, 3-[4-(3-ethoxy-3-keto-propanoyl)phenyl]-3-keto-propionic acid ethyl ester, Diaethyl-terephthaloyldiacetat, TEREPHTHALOYLBIS(ETHYL ACETATE), 3,3'-dioxo-3,3'-p-phenylene-bis-propionic acid diethyl ester, 3,3'-Dioxo-3,3'-p-phenylen-di-propionsaeure-diaethylester, 3,3'-dioxo-3,3'-p-phenylene-di-propionic acid diethyl ester, ethyl 3-[4-(3-ethoxy-3-oxo-propanoyl)phenyl]-3-oxo-propanoate, 3,3'-(1,4-Phenylene)bis(3-oxopropionic acid ethyl) ester