5-(2-iodophenyl)-5-oxovaleric acid

6-(4-Ethoxyphenyl)-6-oxohexanoic acid

7-(4-ethoxyphenyl)-7-oxoheptanoic acid

5-Oxo-5-(4-isopropoxyphenyl)valeric acid

6-oxo-6-(4-pentyloxyphenyl)hexanoic acid

7-(4-heptyloxyphenyl)-7-oxoheptanoic acid

6-(2,3-Dimethoxyphenyl)-6-oxohexanoic acid

8-(2,4-Dimethoxyphenyl)-8-oxooctanoic acid

7-(2,6-Dimethoxyphenyl)-7-oxoheptanoic acid

2,2-Dimethyl-4-(3-fluoro-4-methoxyphenyl)-4-oxobutyric acid

4-[4-(N,N-Diethylamino)phenyl]-4-oxobutyric acid