5′-DMT-2′-O-MOE-5-Me-U-3′-PS-Phosphoramidite

[5'-O-(4, 4'-dimethoxytrityl)-2'-O-methoxyethyl-5-methyl-uridine]-3'-[S-(β-(Benzoylmercapto)ethyl)Pyrrolidino Thiophosphoroamidite]