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

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

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