4H,4'H-OCTAFLUOROBIPHENYL

2,2,4,5,5-PENTAMETHYL-3-IMIDAZOLINE-1-OXYL

2,2,4,6,6-PENTAMETHYL-3-HEPTENE

2',3',4'-TRICHLOROACETOPHENONE

2,2,4-TRIMETHYL-1,3-PENTANEDIOL DIISOBUTYRATE

2,2,5-Trifluoro-1,3-benzodioxole

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

2,2':5',2''-TERTHIOPHENE

thiodiethane-1,2-diyl bis(3-aminobut-2-enoate)