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

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

3-(1,3-Dioxan-2-yl)-4'-n-propylpropiophenone

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

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

3-(1,3-dioxan-2-yl)-4'-isopropylpropiophenone

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

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

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

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

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

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

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

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

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