ethyl 5-(4-t-butylphenyl)-5-oxovalerate

ethyl 8-(4-hexylphenyl)-8-oxooctanoate

ethyl 7-oxo-7-(4-n-propoxyphenyl)heptanoate

ethyl 7-oxo-7-(4-pentyloxyphenyl)heptanoate

ethyl 8-(4-heptyloxyphenyl)-8-oxooctanoate

ethyl 6-(2,5-dimethoxyphenyl)-6-oxohexanoate

ethyl 4-(3,5-dimethoxyphenyl)-4-oxobutyrate

4-(3,5-二甲氧基苯基)-4-氧代丁酸乙酯

Ethyl 5-(2-acetoxyphenyl)-5-oxovalerate

Ethyl 7-[4-(N,N-Dimethylamino)phenyl]-7-oxoheptanoate

Ethyl 7-(4-Chloro-2-fluorophenyl)-7-oxoheptanoate

Ethyl 5-(5-Chloro-2-methoxyphenyl)-5-oxovalerate