Methanesulfonic acid (1S,2R,4R,5S)-4-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,6-dioxa-bicyclo[3.1.0]hex-2-ylmethyl ester

1-[5-O-(tert-butyldiphenylsilyl)-2,3-dideoxy-2-phenylthio-β-D-erythro-pentofuranosyl]thymine

1-((2S,3R,5S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-3-((2-nitrophenyl)thio)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione

1-(5'-O-benzoyl-β-D-xylofuranosyl)thymine