(2R,2'R,3R,3'R,4R,4'R,5R,5'R,6S,6'S)-((((6,6'-(([2,2'-bipyridine]-4,4'-dicarbonyl)bis(azanediyl))bis(hexanoyl))bis(azanediyl))bis(ethane-2,1-diyl))bis(oxy))bis(5-acetamido-2-(acetoxymethyl)tetrahydro-2H-pyran-6,3,4-triyl) tetraacetate