Ethyl 6-oxo-6-(3-trifluoromethylphenyl)hexanoate

ethyl 5-(2,3-dichlorophenyl)-5-oxovalerate

ethyl 5-(4-ethylphenyl)-5-oxovalerate

ethyl 4-(4-isopropylphenyl)-4-oxobutyrate

ethyl 6-oxo-6-(4-n-pentylphenyl)hexanoate

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