3-氟-4-甲基苯甲酸乙酯

3-甲氧基-4-甲基苯甲酸乙酯

(5-溴-2-甲氧基苯基)-乙酸乙酯

ethyl 4-(2-oxopyrrolidin-1-yl)benzoate

5,5-dimethyl-4-phenylcyclohexane-1,3-dione