(2R,4R,5R,6R)-4-[(2R,4R,5R,6R)-2-carboxy-6-[(1R)-1,2-dihydroxyethyl]-4,5-dihydroxy-tetrahydropyran-2-yl]oxy-6-[(1R)-1,2-dihydroxyethyl]-5-hydroxy-2-[[(2R,3S,4R,5R,6R)-6-[[(2R,3S,4R,5R,6R)-3-hydroxy-5-(3-hydroxytetradecanoylamino)-4-(3-hydroxytetradecanoyloxy)-6-phosphonooxy-tetrahydropyran-2-yl]methoxy]-5-(3-hydroxytetradecanoylamino)-4-(3-hydroxytetradecanoyloxy)-3-phosphonooxy-tetrahydropyran-2-yl]methoxy]tetrahydropyran-2-carboxylic acid