(2S,3S,4S,5R,6R)-3-{[(2R,3R,4R,5S,6R)-3-azido-4,5-bis(benzyloxidanyl)-6-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-6-{[(2R,3S,4R,5R,6R)-6-{[(2R,3S,4R,5R,6R)-6-{[(2R,3S,4R,5R,6S)-4-(benzyloxy)-5-{[(benzyloxy)carbonyl]amino}-2-(hydroxymethyl)-6-methoxy-3,4,5,6-tetrahydro-2H-pyran-3-yl]oxy}-4-(benzyloxy)-2-carboxy-5-hydroxy-3,4,5,6-tetrahydro-2H-pyran-3-yl]oxy}-5-azido-4-hydroxy-2-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-3-yl]oxy}-4,5-bis(benzyloxidanyl)tetrahydropyran-2-carboxylic acid