ethyl 2-O-methyl-1-thio-β-L-fucopyranoside

ethyl 3-O-(p-methoxybenzyl)-2-O-methyl-1-thio-β-L-fucopyranoside

ethyl 4-O-acetyl-3-O-(p-methoxybenzyl)-2-O-methyl-1-thio-β-L-fucopyranoside

S-ethyl 3,4-O-isopropylidene-2-O-methyl-1-thio-β-D-fucopyranoside