5-O-(tert-butyldiphenylsilyl)-3-deoxy-2-Se-phenyl-2-seleno-D-erythro-pentonic acid γ-lactone

N4-acetyl-5'-O-(tert-butyldimethylsilyl)-2',3'-dideoxycytidine

Cytidine, N-acetyl-2',3'-dideoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-

N4-acetyl-1-(5-O-(tert-butyldiphenylsilyl)-3-deoxy-2-Se-phenyl-2-seleno-β-D-erythro-pentofuranosyl)cytosine

(S)-(+)-5-氧代-2-四氢呋喃羧酸