Benzoic acid (2R,3S,4R,5R,6S)-5-acetylamino-4-[(R)-1-(2-benzenesulfonyl-ethoxycarbonyl)-ethoxy]-6-benzyloxy-3-hydroxy-tetrahydro-pyran-2-ylmethyl ester

benzoic acid 5-acetylamino-4-[1-(2-benzenesulfonyl-ethoxycarbonyl)-ethoxy]-6-benzyloxy-3-[4,5-diacetoxy-6-acetoxymethyl-3-(2,2,2-trichloro-ethoxycarbonylamino)-tetrahydro-pyran-2-yloxy]-tetrahydro-pyran-2-ylmethyl ester