The molecule is a phosphatidylinositol where the 1- and 2-O-acyl groups are hexadecanoyl and heptadecanoyl respectively. It has a role as an epitope.
[(2R)-1-hexadecanoyloxy-3-[hydroxy-[(2R,3S,5R,6R)-2,3,4,5,6-pentahydroxycyclohexyl]oxyphosphoryl]oxypropan-2-yl] heptadecanoate