2,2'-BITHIOPHENE-5-CARBOXALDEHYDE

BIPHENYL-2,2'-DICARBOXALDEHYDE

4,4'-(4,4'-Isopropylidenediphenyl-1,1'-diyldioxy)dianiline

2,2-Bis(4-aminophenyl)hexafluoropropane

2,2-BIS(4-CARBOXYPHENYL)HEXAFLUOROPROPANE

2,2-Bis(4-methylphenyl)hexafluoropropane

2,2'-BITHIOPHENE-5-CARBOXYLIC ACID

2,2'-DICHLORO DIPHENYL DISULFIDE

2,2-DICHLORO-2,2A,7,7A-TETRAHYDRO-1H-CYCLOBUTA[A]INDEN-1-ONE