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

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

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

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

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

2',6'-difluoro-3-(1,3-dioxan-2-yl)propiophenone

2',6'-difluoro-4-(5,5-dimethyl-1,3-dioxan-2-yl)butyrophenone

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

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

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