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

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

9-[3-(1,3-dioxan-2-yl)propionyl]phenanthrene

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

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

3',5'-dichloro-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-(3-trifluoromethyl-phenyl)-ethanone

1-(4-Bromo-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone

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

1-(2,4-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone