Ribitol,1-[(5-amino-1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinyl)amino]-1-deoxy-

L-酪氨酸

3',5'-di-O-p-tolylsulphonyladenosine

di-O-acetyl-5-deoxy-ξ-D-ribofuranosyl chloride

5'-O-toluenesulphonyl-N6-benzoyladenosine