Trifluoro-methanesulfonic acid (2R,3S,4S,5R)-5-((R)-1-benzyloxy-ethyl)-2-methoxy-4-methyl-tetrahydro-furan-3-yl ester

benzyl 2-O-allyl-6-deoxy-α-L-talopyranoside

benzyl 6-deoxy-3,4-O-isopropylidene-α-L-talopyranoside

benzyl 2-O-allyl-3,4-di-O-benzyl-6-deoxy-α-L-talopyranoside