5-fluoro-1,3-bis(2-oxopropyl)pyrimidine-2,4-dione

(4Z)-4-[(3-bromo-4-ethoxy-5-methoxyphenyl)methylidene]-1-(3,4-dimethylphenyl)pyrazolidine-3,5-dione

2-(cyclopenten-1-ylmethyl)-3-methylcyclopent-2-en-1-one

1-(3-硝基-1H-1,2,4-三唑-1-基)丙酮

2-(2-oxopropyl)cycloheptan-1-one