N-((Z)-1-((2R,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)tetrahydro-2H-pyran-2-yloxy)-3-hydroxyoctadec-4-en-2-yl)hexadecanamide