(3aS,4R,6S,7R,7aS)-4-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethyl-6-(p-tolylthio)tetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-yl 4-oxopentanoate

p-tolyl 2-O-levulinoyl-3,4-O-isopropylidene-1-thio-β-D-galactopyranoside

p-tolyl 2-O-levulinoyl-3, 4, 6-tri-O-acetyl-1-thio-β-D-galactopyranoside

p-tolyl 3, 4, 6-tri-O-acetyl-1-thio-β-D-galactopyranoside

p-tolyl 2,3,4-tri-O-benzoyl-6-deoxy-β-D-galactopyranosyl-(1→2)-3,4,6-tri-O-acetyl-1-thio-β-D-galactopyranoside