2,2-二甲基-4-(4-甲基苯基)-4-氧代丁酸

2-(3,3-dimethyl-2,5-dioxopyrrolidin-1-yl)benzoic acid

ethyl 4-chloro-3,3-dimethyl-4-oxobutanoate

4-(3,4-二甲氧基苯基)-2,2-二甲基-4-氧代丁酸

1-(3-aminophenyl)-3,3-dimethylpyrrolidine-2,5-dione