1,1,2,2-tetrakis-(4-chloro-phenyl)-ethane

Bis-(4-chlorphenyl)-methyl-phosphonsaeure

1-chloro-4-[(4-chlorophenyl)-dimethoxymethyl]benzene

1,1-dimethoxy-1-(4-n-propyl)phenylpentane

ethyl 5,5-bis(4-chlorophenyl)-3-oxopent-4-enoate