(2R,3R,3aR,6R,7R,7aR)-7-Azido-3-benzyloxy-2,6-dimethoxy-hexahydro-furo[3,2-b]pyran

(2R,3R,3aS,6R,7R,7aR)-7-azido-6-methoxy-2-phenylsulfanyl-hexahydrofuro[3,2-b]pyran-3-ol

(1'R,2R,3R,4S,5R)-4-azido-2-(1'-benzoyloxy-2',2'-bisphenylsulfanylethyl)-3-hydroxy-5-methoxy-tetrahydropyran

(2R,3R,3aR,6R,7R,7aR)-7-azido-2-(2',4'-dioxo-3',4'-dihydro-2H-pyrimidin-1'-yl)-6-methoxy-3-pivaloyloxy-hexahydrofuro[3,2-b]pyran

(2R,3R,3aR,6R,7R,7aR)-7-azido-6-methoxy-2-phenylsulfanyl-hexahydrofuro[3,2-b]pyran-3-ol