Methyl (1R,3R,4R,5S)-3-(((2R,3R,4R,5R,6R)-3-(((allyloxy)carbonyl)amino)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-4-(((2S,3S,4R,5R,6S)-3,4,5-tris(benzyloxy)-6-methyltetrahydro-2H-pyran-2-yl)oxy)cyclohexane-1-carboxylate 10g

Methyl (1R,3R,4R,5S)-3-(((2R,3R,4R,5R,6R)-3-(((allyloxy)carbonyl)amino)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-4-(((2S,3S,4R,5R,6S)-3,4,5-tris(benzyloxy)-6-methyltetrahydro-2H-pyran-2-yl)oxy)cyclohexane-1-carboxylate 10g