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

9-[3-(1,3-dioxan-2-yl)propionyl]phenanthrene

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

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

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

2'-Chloro-3-(1,3-dioxan-2-yl)-4'-nitropropiophenone

9-[3-(1,3-dioxan-2-yl)propionyl]anthracene

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

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

2-(1,3-Dioxolan-2-yl)-1-(4-trifluoromethyl-phenyl)-ethanone

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