Acetic acid (3R,4R,5S,6R)-6-acetoxymethyl-3-azido-5-((2S,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-4-((2R,3S,4R,5S,6S)-3,4,5-triacetoxy-6-methyl-tetrahydro-thiopyran-2-yloxy)-tetrahydro-pyran-2-yl ester