Methyl 3-Bromo-2-oxo-2H-pyran-5-carboxylate

6-(Methoxycarbonyl)spiro[3.3]heptane-2-carboxylic acid

Ethyl 3-Aminothieno[2,3-b]pyridine-2-carboxylate

3-氨基噻吩并[2,3-B]吡啶-2-甲酸乙酯

Ethyl 6-Chloroimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 8-Nitroimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 3-Bromoimidazo[1,2-a]pyrimidine-2-carboxylate

丙炔酸甲酯, Methyl Propiolate

Diethyl 2-Cyano-3-oxosuccinate

Ethyl 3,3-diethoxypropanoate

3,3-二乙氧基丙酸乙酯

tert-Butyl Ethyl Malonate

丙二酸叔丁基乙酯