"5’-O-(4,4’-Dimethoxytrityl)-2’-O,4’-C-methylene-5-methyluridine"
"5’-O-(4,4’-Dimethoxytrityl)-2’-O,4’-C-methylene-5-methyluridine"
"5’-O-(4,4’-Dimethoxytrityl)-2’-O,4’-C-methylene-5-methyluridine"
"5’-O-(4,4’-Dimethoxytrityl)-2’-O,4’-C-methylene-5-methyluridine"