[(2R,5R)-2,6-Bis-benzyloxycarbonylamino-5-((2S,3S,4S,5R,6S)-4,5-diacetoxy-6-acetoxymethyl-3-hydroxy-tetrahydro-pyran-2-yloxy)-hexanoylamino]-acetic acid tert-butyl ester

{(2R,5R)-2,6-Bis-benzyloxycarbonylamino-5-[(2S,3S,4R,5R,6S)-4,5-diacetoxy-6-acetoxymethyl-3-((2S,3S,4R,5S,6S)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-hexanoylamino}-acetic acid

{(2R,5R)-2,6-Bis-benzyloxycarbonylamino-5-[(2S,3S,4R,5R,6S)-4,5-diacetoxy-6-acetoxymethyl-3-((2S,3S,4R,5S,6S)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-hexanoylamino}-acetic acid tert-butyl ester

{(2S,5S)-2,6-Bis-benzyloxycarbonylamino-5-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-hydroxymethyl-3-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-hexanoylamino}-acetic acid

4-Oxo-pentanoic acid (2S,3S,4R,5R,6S)-4,5-diacetoxy-6-acetoxymethyl-2-[(1R,4R)-4-benzyloxycarbonylamino-1-(benzyloxycarbonylamino-methyl)-4-(tert-butoxycarbonylmethyl-carbamoyl)-butoxy]-tetrahydro-pyran-3-yl ester