5-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)uracil

5-(2,3,5-tri-O-benzyl-D-altro-pentahydroxypentyl)-2,4-di-t-butoxypyrimidine

5'-O-(tert-butyldiphenylsilyl)pseudouridine

2,3-O-isopropylidene-5-O-(1-methoxy-1-methyl-ethyl)-D-ribono-1,4-lactone

D-(+)-核糖酸-1,4-内酯