Ethyl 4-(3-Chloro-4-fluorophenyl)-4-oxobutanoate

3-(1,3-dioxan-2-yl)-3'-iodopropiophenone

3'-bromo-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone

3'-chloro-5-(5,5-dimethyl-1,3-dioxan-2-yl)valerophenone

4'-chloro-5-(5,5-dimethyl-1,3-dioxan-2-yl)valerophenone

5-(5,5-dimethyl-1,3-dioxan-2-yl)-2'-fluorovalerophenone

3-(1,3-Dioxan-2-yl)-4'-methoxypropiophenone

5-(5,5-dimethyl-1,3-dioxan-2-yl)-4'-methoxyvalerophenone

3-(1,3-Dioxan-2-yl)-3'-trifluoromethylpropiophenone

5-(5,5-dimethyl-1,3-dioxan-2-yl)-3'-trifluoromethylvalerophenone

2',5'-difluoro-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone