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

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

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

2',4'-difluoro-3-(1,3-dioxan-2-yl)propiophenone

2',5'-difluoro-3-(1,3-dioxan-2-yl)propiophenone

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

4'-n-Butyl-3-(1,3-dioxan-2-yl)propiophenone

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

4-(5,5-Dimethyl-1,3-dioxan-2-yl)-4'-isopropylbutyrophenone

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

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