5,6-di-O-acetyl-3-O-benzyl-1,2-O-isopropylidene-α-D-galactofuranose

Acetic acid (3R,4S,5S)-2-acetoxy-4-benzyloxy-5-((R)-1,2-diacetoxy-ethyl)-tetrahydro-furan-3-yl ester

ethyl 6-O-trityl-1-thio-β-D-galactopyranoside