Synonyms: Dimesyl-trityl-T;Uridine, 5-methyl-5'-O-(triphenylmethyl)-, 2',3'-dimethanesulfonate;124493-84-1;AC1L9QP2;1-(2,3-Di-O-mesyl-5-O-trityl-.beta.-D-ribofuranosyl)thymine;1-(2,3-Di-O-mesyl-5-O-trityl-beta-D-ribofuranosyl)thymine;[(2R,3R,4R,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-4-methylsulfonyloxy-2-(trityloxymethyl)oxolan-3-yl] methanesulfonate