5-(4-isopropylbenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

1,3-dimethyl-5-(4-methyl-benzylidene)-pyrimidine-2,4,6-trione

5-苯基噻唑

1-甲基-2-苯基吲哚-3-甲醛