(+-)-3-(2-benzyloxy-5-bromophenyl)-3-phenylpropionic acid methyl ester

3-(3-ethoxycarbonyl-2-oxo-cyclopentyl)-propionic acid ethyl ester

(+-)-3-(2-Aethoxycarbonyl-aethyl)-2-oxo-cyclopentancarbonsaeure-aethylester

3-ethoxycarbonylethyl-2-oxo-cyclopentane-carboxylic acid ethylester

methyl 3-(2-(benzyloxy)-5-bromophenyI)-3-phenylpropanoate

3-(3-Aethoxycarbonyl-2-oxo-cyclopentyl)-propionsaeure-aethylester