(2R,3R,4R,5R,6R)-2-(aminomethyl)-5-azido-6-(((2R,3R,4R,5R,6S)-5-azido-2-(azidomethyl)-4-(benzyloxy)-6-methoxytetrahydro-2H-pyran-3-yl)oxy)-4-(benzyloxy)tetrahydro-2H-pyran-3-ol