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

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

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

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

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

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

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

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

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

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

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