7-cyclobutyl-7-oxoheptanoic acid

5-(2,3-dichlorophenyl)-5-oxovaleric acid

5-(2,4-Dichlorophenyl)-5-oxovaleric acid

7-(4-ethylphenyl)-7-oxoheptanoic acid

8-(4-ethylphenyl)-8-oxooctanoic acid

5-(4-hexylphenyl)-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