(1-N-(4,4'-dimethoxytrityl)-5-(6-biotinamidocaproamidomethyl)-1-(2-nitrophenyl)ethyl)-2-cyanoethyl-N,N-diisopropylaminophosphoramidite
(1-n-(4,4'-dimethoxytrityl)-5-(6-biotinamidocaproamidomethyl)-1-(2-nitrophenyl)ethyl)-2-cyanoethyl-n,n-diisopropylaminophosphoramidite