4,4'-AZOXYDIBENZOIC ACID

4,4'-Bipiperidine dihydrochloride

4,4'-BIS(2,5-DIMETHYLSTYRYL)BIPHENYL

4,4'-BIS(3-CARBOXY-4-CHLOROPHENYL-AMINO)TRITYL CHLORIDE

Bis[4-(2-phenyl-2-propyl)phenyl]amine

Bis[4-(2-phenyl-2-propyl)phenyl]amine

N-(4-Aminophenyl)-1,4-benzenediamine

4,4'-DIBENZOYLQUINONE DIOXIME

4,4'-Dichlorobenzophenone

4,4'-Dichlorodiphenyl sulfone