4-(4-苄基-苯基)-4-氧代-丁酸

4-(4-丁氧苯基)-4-氧代丁酸

1-phenylmethoxypyrrolidine-2,5-dione

4-(3-甲氧基苯基)-4-氧代丁酸

4-oxo-4-[(2-phenyl-1,3-dioxan-5-yl)oxy]butanoate