4-氨基-1-[(2R,4R,5R)-3,3-二氟-4-羟基-5-(羟基甲基)四氢呋喃-2-基]嘧啶-2-酮盐酸盐

((2R,3R)-3-acetoxy-5-(1-((Z)-2-cyanovinyl)ureido)-4,4-difluorotetrahydrofuran-2-yl)methyl acetate

N4-benzoyl-2'-deoxy-2',2'-difluorocytidine

2'-脱氧-2',2'-二氟-N-(1-氧代-2-丙基戊基)胞苷

2-amino-N-(1-((2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo- 1,2-dihydropyrimidin-4-yl)acetamide trifluoroacetic acid