N-((1S)-2R-HYDROXY-1-(((3-O-SULFO-.BETA.-D-GALACTOPYRANOSYL)OXY)METHYL)-3E-HEPTADECEN-1-YL)-15Z-TETRACOSENAMIDE
n-((1s)-2r-hydroxy-1-(((3-o-sulfo-.beta.-d-galactopyranosyl)oxy)methyl)-3e-heptadecen-1-yl)-15z-tetracosenamide