1,3-二甲基脲嘧啶

5-(2,5-dimethylphenyl)-1,3-dimethylpyrimidine-2,4-dione

1,3-dimethyl-6-(2,5-dimethylphenyl)uracil

5-(but-2-enylamino)-1,3-dimethylpyrimidine-2,4-dione

5-(ethoxycarbonylmethylthio)-1,3-dimethyluracil