3-(4-Benzyloxy-3,5-dimethoxy-phenyl)-2-(6-methoxy-7-methoxymethoxy-2-oxo-2H-chromen-8-yloxy)-3-oxo-propionic acid ethyl ester
ethyl 3-(4-benzyloxy-3,5-dimethoxyphenyl)-2-bromo-3-oxopropionate
ethyl 3-(4-benzyloxy-3,5-dimethoxyphenyl)-3-oxopropionate
3-(4-Benzyloxy-3,5-dimethoxy-phenyl)-2-(7-hydroxy-6-methoxy-2-oxo-2H-chromen-8-yloxy)-3-oxo-propionic acid ethyl ester