p. 7651 - 7654
(2007/10/02)N,N,N',N'-tetraisopropyl 2-cyanoethylphosphorodiamidite
N-[9-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-6-(2-cyano-ethylsulfanyl)-9H-purin-2-yl]-2,2,2-trifluoro-acetamide
S6-cyanoethyl-N2-trifluoroacetyl-2'-deoxy-6-thioguanoside
4,4'-dimethoxytrityl chloride