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

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

9-[4-(5,5-dimethyl-1,3-dioxan-2-yl)butyryl]phenanthrene

2',3'-Dichloro-3-(1,3-dioxan-2-yl)propiophenone

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

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

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

2-(1,3-Dioxolan-2-yl)-1-(2-trifluoromethyl-phenyl)-ethanone

1-(3-Bromo-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

1-(2,4-Difluoro-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

1-(2,5-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone