(9Z,12Z,15Z)-Octadeca-9,12,15-trienoic acid {(E)-(1S,2R)-1-[(2R,3R,4R,5S,6R)-3,4-dihydroxy-6-hydroxymethyl-5-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxymethyl]-2-hydroxy-heptadec-3-enyl}-amide