5-(5-Chloro-2-thienyl)-3-methyl-5-oxovaleric acid

4-(4-Ethylthiophenyl)-4-oxobutyric acid

5-(3-Chlorophenyl)-5-oxovaleric acid

4-(3-iso-Propoxyphenyl)-4-oxobutyric acid

5-(2-Methylphenyl)-5-oxovaleric acid

4-Oxo-4-(3-pyridyl)butyric acid

4-(4-Chloro-3-methylphenyl)-4-oxobutyric acid

4-(4-氯-3-甲基苯基)-4-氧丁酸

5-(4-iso-Propylphenyl)-5-oxovaleric acid

Ethyl 3-methoxybenzoylformate

3-甲氧基苯甲酰甲酸乙酯

4-正丁基苯甲酰甲酸乙酯, Ethyl 4-n-butylbenzoylformate

Ethyl 4-n-propylbenzoylformate