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

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

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

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

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

2',6'-dichloro-5-(5,5-dimethyl-1,3-dioxan-2-yl)valerophenone

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