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

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

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

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

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

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

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

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

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

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

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