2'-deoxycytidine-3'-O-(N,N-diisopropyl O-2-cyanoethylphosphoramidite) 、 Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-benzyloxymethyl-5-(2,6-dioxo-1,2,3,6-tetrahydro-purin-9-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester 、
Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2,4-dioxo-5-thiocyanato-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester 生成