1-[(2R,3S,4S,5S)-4-azido-3-hydroxy-5-(trityloxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione

5-methyl-1-[(2R,4R)-4-(trityloxymethyl)-3,6-dioxabicyclo[3.1.0]hexan-2-yl]pyrimidine-2,4-dione

三苯基氯甲烷

[(2R,3R,4R,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-4-methylsulfonyloxy-2-(trityloxymethyl)oxolan-3-yl] methanesulfonate

5-甲基尿甙