benzyl 2,3-di-O-benzyl-β-D-galactopyranosiduronic acid

benzyl (2S,3R,4S,5R,6R)-4,5,6-tris(benzyloxy)-3-(((2S,3R,4S,5R,6S)-3,4-bis(benzyloxy)-6-((benzyloxy)carbonyl)-5-hydroxytetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-carboxylate

benzyl (2S,3R,4S,5R,6R)-4,5,6-tris(benzyloxy)-3-(((2S,3R,4S,5R,6S)-3,4-bis(benzyloxy)-6-((benzyloxy)carbonyl)-5-((4-methoxybenzyl)oxy)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-carboxylate