ethyl 2-O-acetyl-3,4,6-tri-O-benzyl-1-thio-β-L-galactopyranoside

3,6-di-O-benzyl-L-galactal

phenyl 4,6-O-p-methoxybenzylidene-1-thio-β-D-glucopyranoside

phenyl 3,6-di-O-pivaloyl-1-thio-β-D-glucopyranoside