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

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

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

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

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

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

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

3-(1,3-dioxan-2-yl)-4'-phenylpropiophenone

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

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

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