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

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

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

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

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

3'-cyano-3-(1,3-dioxan-2-yl)propiophenone

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

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

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

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

2-(1,3-Dioxolan-2-yl)-1-(2-iodo-phenyl)-ethanone