2-(苯并[d]噻唑-2-基)丙二酸二乙酯

茚满-2,2-二羧酸

diethyl 2-[(2-methylphenyl)methylidene]propanedioate

diethyl 2-(3-ethoxyprop-2-enylidene)propanedioate

2-(2-噻吩亚甲基)丙二酸二乙酯