[(R)-2-Phenyl-1-((2S,3S,4R,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-ethyl]-carbamic acid 9H-fluoren-9-ylmethyl ester

(2S,3R,4R,5S,6R)-2-((R)-Amino-phenyl-methyl)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with trifluoro-acetic acid