1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ⁶-thiaspiro[4.4]non-3-en-8-yl]-3-ethyl-5-methylpyrimidine-2,4-dione

2-amino-9-[(2R,3S,4R,5R)-4-fluoro-3-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one

(6-羟基-2,2-二甲基-3a,5,6,6a-四氢呋喃并[4,5-d][1,3]二氧杂环戊烯-5-基)甲基苯甲酸酯

3-O-甲基-alpha-D-呋喃核糖 1,2-二乙酸酯 5-苯甲酸酯