2-(4-氟苯甲酰基)乙酸

1-[(4-methoxyphenyl)methyl]imidazolidine-2,4-dione

5-(furan-2-ylmethylidene)imidazolidine-2,4-dione

3-(morpholin-4-ylmethyl)imidazolidine-2,4-dione

5-(dimethylaminomethylidene)-3-methylimidazolidine-2,4-dione