2',6'-difluoro-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone

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

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

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

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

2',6'-dichloro-3-(1,3-dioxan-2-yl)propiophenone

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

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

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

2-(1,3-Dioxolan-2-yl)-1-(2-methylphenyl)-ethanone

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