ethyl 3-O-allyl-4,6-di-O-benzyl-2-deoxy-2-phthalimido-1-thio-β-D-galactopyranoside

Trifluoro-methanesulfonic acid (2R,3S,4R,5R,6S)-4-allyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-ethylsulfanyl-tetrahydro-pyran-3-yl ester