(E)-3-[1-[(2R,3S,4S,5S)-3-hydroxy-4,5-bis(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]prop-2-enoic acid

1-[(2R,3S,4S,5S)-3-hydroxy-5-(hydroxymethyl)-4-(5-methyl-1,3,5-dithiazinan-2-yl)oxolan-2-yl]pyrimidine-2,4-dione

5’-O-三苯甲基尿苷-2’,3’-来苏-环氧化物

1-[5-O-(tert-butyldiphenylsilyl)-3-deoxy-3-C-(4,5-dihydro-5-methyl-1,3,5-dithiazin-2-yl)-β-D-arabino-pentofuranosyl]uracil

1-(3-deoxy-3-C-(4,5-dihydro-5-methyl-1,3,5-dithiazin-2-yl)-5-O-trityl-β-D-arabino-pentofuranosyl)uracil