methyl 4,6-O-benzylidene-3-O-ethoxymethyl-2-(5-iodooctafluoro-3-oxapentane sulfonate)-β-D-mannopyranoside

methyl 4,6-O-benzylidene-3-O-ethoxymethyl-2-(8-oxa-6,6,7,7,9,9,10,10-octafluoro-decanoic acid-10-sulfonate)-β-D-mannopyranoside

methyl 4,6-O-benzylidene-3-O-ethoxymethyl-2-(20-oxa-18,18,19,19,21,21,22,22-octafluoro-docosanoic acid-22-sulfonate)-β-D-mannopyranoside

methyl 4,6-O-benzylidene-3-O-ethoxymethyl-2-(14-oxa-12,12,13,13,15,15,16,16-octafluoro-hexadecanoic acid-16-sulfonate)-β-D-mannopyranoside