2-Chlorotritylchloride polymer resin

5-Fluoro-2-nitrophenol

4-Bromo-2-fluoroaniline

4-Bromo-2-nitroaniline

2-Fluoro-5-iodobenzonitrile

5-Chloro-2-nitroaniline

2,2-Dibromo-2-cyanoacetamide

2-Cyanoethyl N,N,N',N'-tetraisopropylphosphorodiamidite