methyl 5-O-benzyl-2-chloro-2,3-dideoxy-3-fluoro-β-D-ribofuranoside

5’-O-Trityl-3’-β-hydroxythymidine

methyl 5-O-benzyl-3-fluoro-3-deoxy-β-D-arabino-furanoside

1-[2,3-Dideoxy-3-fluoro-5-O-(4-phenylbenzoyl)-α/β-D-erythro-pentofuranosy]-5-methyl-2,4(1H,3H)-pyrimidinedione