2,2'-DICHLOROBENZOPHENONE

2,2-Diethoxyacetophenone

ETHYL 2,2-DIETHYLACETOACETATE

2,2-Difluoro-1,3-benzodioxole

4-Amino-2,2-difluoro-1,3-benzodioxole

2,2'-Dihydroxy-4-methoxybenzophenone

2,2-DIISOPROPYL-1,3-DIOXOLANE

GLYCOLALDEHYDE DIMETHYL ACETAL

2,2-DIMETHYL-1,3-DIOXOLANE

2,2-DIMETHYL-1,3-PROPANEDIAMINE