8-bromo-N1-(1'',4''-anhydro-2''-deoxy-3''-O-allyl-D-lyxitol-2''-yl)-5'-O-(dianilinophosphoryl)-2',3'-di-O-acetylinosine

dithiophenoxyphosphoryl chloride

5-O-benzoyl-3-O-allyl-1,4-anhydro-D-xylitol

5-O-(monomethoxytrityl)-3-O-allyl-1,4-anhydro-D-xylitol

Trifluoro-methanesulfonic acid (3S,4S,5R)-4-allyloxy-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester