2,2-DIPHENYL-N-(2,2,2-TRICHLORO-1-(3-(2,5-DIMETHYL-PH)-THIOUREIDO)-ET)-ACETAMIDE

2,2'-DIIODO-4,4',5,5'-TETRAMETHOXYBIPHENYL

2,2'-DIMETHYLBENZOPHENONE

2,2′-Disulfanediylbis(n-sec-butylbenzamide)

2,2'-METHYLENEBIS(5,5-DIMETHYL-3-HYDROXY-2-CYCLOHEXEN-1-ONE)

2,2'-OXYDIACETIC ACID VANILLYLIDENEHYDRAZIDE

2,2-BIS(TRIMETHYLSILYL)-1,1-DIPHENYL-1,3,3,3-TETRAMETHYLTRISILANE

2,2-DIBROMO-MALONONITRILE

2,3-BENZODIPHENYLENE OXIDE

2,3-BIS-O-TOLYLOXY-(1,4)DIOXANE

2,3-bis(4-methoxyphenyl)-4-quinolinecarboxylic acid

2,3-BUTANEDIONE BIS(PHENYLHYDRAZONE)

2,2-DIMETHYLHEXADECANOIC ACID

2,2-dimethylundecanoic acid

2,2-DIPHENYL-4'-FLUOROACETANILIDE