N-[(e,2s,3r)-1-[(2r,5s)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2s,5r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3-hydroxyoctadec-4-en-2-yl]octanamide