1-((3aR,4R,6R,6aR)-6-((methoxymethoxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-5-methyl-6-(tributylstannyl)pyrimidine-2,4(1H,3H)-dione

2',3'-O-isopropylidene-5'-O-methoxy-methyl-6-phenylthiouridine

1-((2R,3R,4R,5R)-3,4-bis((trimethylsilyl)oxy)-5-(((trimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-5-iodo-4-((trimethylsilyl)oxy)pyrimidin-2(1H)-one

α-D-ribofuranosyl phosphate, free acid