Trifluoro-methanesulfonic acid (3aR,3bS,6R,6aS,7aR)-2,2-dimethyl-5-oxo-hexahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxol-6-yl ester

5-(N-benzyloxycarbonyl)amino-5-deoxy-L-iduronolactone

5-azido-5-deoxy-1,2-O-isopropylidene-α-D-glucofuranose

(2R,4R,4aS,7R,7aR)-4-(Bis-ethylsulfanyl-methyl)-7-hydroxy-2-(4-methoxy-phenyl)-tetrahydro-furo[3,2-d][1,3]dioxin-6-one

2S,4S,5S-2-(N-benzyloxycarbonyl)amino-6-O-tert-butyldimethylsilyl-5,6-dihydroxy-hexan-4-olide

Benzoic acid (2R,4R,5S,6S)-4-(bis-ethylsulfanyl-methyl)-6-[(R)-(tert-butyl-diphenyl-silanyloxy)-methylcarbamoyl-methyl]-2-(4-methoxy-phenyl)-[1,3]dioxan-5-yl ester

(R)-2-[(2R,4S,5S,6R)-6-(Bis-ethylsulfanyl-methyl)-5-hydroxy-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-2-hydroxy-N-methyl-acetamide

Methanesulfonic acid (S)-1-((2S,4S)-4-amino-5-oxo-tetrahydro-furan-2-yl)-2-(tert-butyl-dimethyl-silanyloxy)-ethyl ester

4S,5S-2-(N-benzyloxycarbonyl)amino-5,6-dihydroxy-6-O-methanesulphonyl-hex-2-en-4-olide

(R)-2-[(2R,4S,5S,6R)-6-(Bis-ethylsulfanyl-methyl)-5-hydroxy-2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-2-(tert-butyl-diphenyl-silanyloxy)-N-methyl-acetamide

4S,5S-2-(N-benzyloxycarbonyl)amino-5,6-dihydroxyhex-2-en-4-olide

4S,5S-2-(N-benzyloxycarbonyl)amino-5,6-dihydroxy-6-O-tert-butyldimethylsilyl-hex-2-en-4-olide

5-azido-5-deoxy-1,2-O-isopropylidene-β-L-idurono-3,6-lactone

Methanesulfonic acid (S)-2-((2S,4S)-4-amino-5-oxo-tetrahydro-furan-2-yl)-2-hydroxy-ethyl ester

3,5-anhydro-1,2-O-isopropylidene-β-L-idose

Benzoic acid (1S,2S,3R)-1-[(R)-2,2-bis-ethylsulfanyl-1-(4-methoxy-benzyloxy)-ethyl]-3-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-3-methylcarbamoyl-propyl ester

3,5-anhydro-1,2-O-isopropylidene-α-D-glucose

Benzoic acid (1S,2S,3R)-2-benzyloxy-1-[(R)-2,2-bis-ethylsulfanyl-1-(4-methoxy-benzyloxy)-ethyl]-3-(tert-butyl-diphenyl-silanyloxy)-3-methylcarbamoyl-propyl ester

(3aR,7aR)-2,2-Dimethyl-tetrahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxol-5-one