108895-39-2
9-<5-O-(monomethoxytrityl)-2-deoxy-β-D-threo-pentofuranosyl>adenine
→
87418-35-7
3'-Fluoro-2',3'-dideoxyadenosine
126716-24-3
methyl 5-O-benzyl-2-O-tosyl-3-fluoro-3-deoxy-β-D-arabino-furanoside