2,2,5,5-TETRAMETHYLTETRAHYDROFURAN

2,2,5,6,6-PENTAMETHYLHEPTEN-3-ONE

2,2,5,7-TETRAMETHYL-1-OXOINDANE-4-CARBOXYLIC ACID

2,2,5,7-TETRAMETHYL-1-OXOINDANE-4-CARBOXYLIC ACID

2,2,7-TRIMETHYL-3,5-OCTANEDIONE

2,2-BIS(3-AMINO-4-METHYLPHENYL)HEXAFLUOROPROPANE

2,2-BIS(4-CARBOXYPHENYL)HEXAFLUOROPROPANE

2,2-bis(4-fluorophenyl)tetrahydrofuran

2,2-Bis(4-hydroxyphenyl)butane

Trisbromoneopentyl alcohol

2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol