1-(2,5-二甲基苯基)-3-苯基-1-丙酮

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

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

1,3-二甲基脲嘧啶

4,5,8-三甲基-3,4-二氢-1(2H)-萘酮