dimethyl 2-allyl-3-oxopentanedioate;

2-Allyl-3-oxo-glutarsaeure-diaethylester;

diethyl 2-aminothiophene-3,4-dicarboxylate;

2-allyl-3-oxo-glutaric acid diethyl ester;

diethyl 2-allyl-3-oxoglutarate;