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

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

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

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

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

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

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

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

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

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

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