4-amino-1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-fluoropyrimidin-2(1H)-one

(2R,3R,4R,5R)-5-(4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-2-oxopyrimidin-1(2H)-yl)-2-(chloromethyl)-4-fluoro-2-((hexanoyloxy)methyl)tetrahydrofuran-3-yl hexanoate

4'-chloromethyl-2'-deoxy-3',5'-di-O-propionyl-2'-fluorocytidine

4'-chloromethyl-2'-deoxy-3',5'-di-O-isobutyryl-2'-fluorocytidine

4'-chloromethyl-2'-deoxy-3',5'-di-O-pentanoyl-2'-fluorocytidine