6-甲氨基-1,3-二甲基脲嘧啶

6-丁基氨基-1,3-二甲基尿嘧啶

N-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)-3,5-ditert-butyl-4-hydroxybenzamide

1,3-dimethyl-5,7-diphenylpyrido[2,3-d]pyrimidine-2,4-dione

6-amino-1,3-dimethyl-5-(thiophene-2-carbonyl)pyrimidine-2,4-dione