Synonyms: Trityl-FFLT;Uridine, 2',3'-dideoxy-2',3'-difluoro-5-methyl-5'-O-(triphenylmethyl)-;132776-17-1;AC1L9QP4;1-(2,3-Dideoxy-2,3-difluoro-5-O-trityl-.beta.-D-ribofuranosyl)thymine;1-(2,3-Dideoxy-2,3-difluoro-5-O-trityl-beta-D-ribofuranosyl)thymine;1-[(2R,3S,4R,5R)-3,4-difluoro-5-(trityloxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione