The molecule is a 1-phosphatidyl-1D-myo-inositol 3-phosphate in which both phosphatidyl acyl groups are specified as palmitoyl (hexadecanoyl). It is a 1-phosphatidyl-1D-myo-inositol 3-phosphate and a 1,2-dipalmitoylglycero-3-phospho-(1'-D-myo-inositol-3'-phosphate). It derives from a hexadecanoic acid.
[(2R)-2-hexadecanoyloxy-3-[hydroxy-[(1S,2R,3S,4S,5R,6R)-2,3,4,6-tetrahydroxy-5-phosphonooxycyclohexyl]oxyphosphoryl]oxypropyl] hexadecanoate