3,20-Dioxopregna-4,9(11),16-trien-21-yl acetate

3,3′-(1,4-Phenylene)bis(2,2-dimethylpropanoic acid)

3,3'-(2-HYDROXYPROPANE-1,3-DIYL)DIBENZO[D]THIAZOL-2(3H)-ONE

3,3'-(4-METHYL-1,3-PHENYLENE)BIS(1-BUTYL-1-ETHYLUREA)

3,3'-(DECYLCARBAMOTHIOYLAZANEDIYL)DIPROPANOIC ACID

3,3'-(PENTAMETHYLENEDIOXY)DIANILINE

3,3'-AZOBIS(DIBENZOFURAN)

3,3'-BIS(TRIPHENYLSILYL)BIPHENYL

3,3'-DINITRO-2,2',5,5',6,6'-HEXAMETHOXYBIPHENYL

3,3'-THIOBIS(1-PROPANESULFONIC ACID, SODIUM SALT)

3,3',4,4',5-PENTAMETHOXYBENZOPHENONE

3,3',4,5,6-PENTABROMOPHTHALANILIC ACID

3,3-BIS-CHLOROMETHYL-CYCLOPROPANE-1,1,2,2-TETRACARBONITRILE

3,3-DIBROMOAZACYCLODODECAN-2-ONE

3,3-DICHLOROACRYLIC ACID