(2R,3R,4S,5R,6R)-2-Methyl-6-(2-nitro-benzyloxy)-tetrahydro-pyran-3,4,5-triol

{(3S,4S,6S)-6-[(2R,3R,4S,5R,6R)-4,5-Dihydroxy-6-methyl-2-(2-nitro-benzyloxy)-tetrahydro-pyran-3-yloxy]-4-methoxy-tetrahydro-pyran-3-yl}-ethyl-carbamic acid 9H-fluoren-9-ylmethyl ester