ethyl 4-O-benzoyl-2-O-p-chlorobenzyl-3,6-dideoxy-1-thio-β-L-xylo-hexopyranoside

ethyl 4-O-benzoyl-2-O-p-chlorobenzyl-1-thio-β-L-fucopyranoside

ethyl 4-O-benzoyl-2-O-p-chlorobenzyl-3-O-thiocarbonylimidazole-1-thio-β-L-fucopyranoside

Ethyl 2,3-di-O-acetyl-1-thio-β-L-fucopyranoside