(4R,5R)-4-(2-(dimethylamino)pyrimidin-5-yl)-5-((S)-3-methyl-6,7-dihydro-4H-[1,2,3]triazolo[5,1-c][1,4]oxazin-7-yl)-1,3-dioxolan-2-one

5-((1R,2R)-1,2-bis((4-methoxybenzyl)oxy)-2-((S)-3-methyl-6,7-dihydro-4H-[1,2,3]triazolo[5,1-c][1,4]oxazin-7-yl)ethyl)-N,N-dimethylpyrimidin-2-amine

2-C-formyl-3,4-di-O-(p-methoxybenzyl)-6-O-trityl-D-glucal

(2R,3R,4R)-4-(2-(dimethylamino)pyrimidin-5-yl)-3,4-bis((4-methoxybenzyl)oxy)-1-(trityloxy)butan-2-ol

(1R,2R)-1-(2-(dimethylamino)pyrimidin-5-yl)-2-((S)-3-methyl-6,7-dihydro-4H-[1,2,3]triazolo[5,1-c][1,4]oxazin-7-yl)ethane-1,2-diol