(2S,4S,5R)-6-((1S,2R)-2-((2S,4S,5R)-2-carboxy-5-ethanamido-4-hydroxy-6-((1R,2R)-1,2,3-trihydroxypropyl)tetrahydro-2H-pyran-2-yloxy)-1,3-dihydroxypropyl)-2-((2S,3R,4S,5S,6R)-2-((2R,3S,4R,5R,6R)-6-((2S,3R,E)-2-dodecanamido-3-hydroxyoctadec-4-enyloxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yloxy)-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yloxy)-5-ethanamido-4-hydroxytetrahydro-2H-pyran-2-carboxylic acid