for the following products
2-Cyanoethyl N,N,N',N'-Tetraisopropylphosphoramidite | 2-Cyanoethyl-N,N,N',N'-tetraisopropyldiamidophosphite | 2-Cyanoethyl-N,N,N',N'-tetraisopropylphosphorodiamidite | 3-[bis-(Diisopropylamino) phosphinooxy]propanenitrile | bis-(Diisopropylamino)(2-cyanoethoxy)phosphine and 2-Cyanoethyl N,N,N',N'-tetraisopropyl-phosphordiamidite