2,2,2-trichloroethyl (3aR,3bR,6S,7R,7aR,8aR)-6-hydroxy-2,2-dimethylhexahydro-7,3b-(epiminoethano)[1,3]dioxolo[4',5':4,5]furo[3,2-b]pyran-9-carboxylate

2,2,2-trichloroethyl (3aR,3bR,6R,7R,7aR,8aR)-6-hydroxy-2,2-dimethylhexahydro-7,3b-(epiminoethano)[1,3]dioxolo[4',5':4,5]furo[3,2-b]pyran-9-carboxylate

Toluene-4-sulfonic acid (3aR,3bR,6S,7S,7aR,8aR)-3b-(2-azido-ethyl)-6-hydroxy-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5]furo[3,2-b]pyran-7-yl ester

2,2-Dimethyl-propionic acid (1R,2R,3R,5R,6R,12S)-12-methoxy-7-(2-methyl-propane-2-sulfonyl)-3-phenylsulfanyl-4,10-dioxa-7-aza-tricyclo[4.3.3.01,5]dodec-2-yl ester

(1R,4S,5S,9R)-1-((R)-1-Hydroxy-2,2-bis-phenylsulfanyl-ethyl)-4-methoxy-6-(2-methyl-propane-2-sulfonyl)-2-oxa-6-aza-bicyclo[3.3.1]nonan-9-ol