The molecule is a 1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate in which the phosphatidyl acyl groups at positions 1 and 2 are both specified as hexadecanoyl (palmitoyl). It derives from a hexadecanoic acid. It is a conjugate acid of a 1,2-dihexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol-3,4,5-trisphosphate)(7-).
[(2R)-3-[[(2S,3S,5R,6S)-2,6-dihydroxy-3,4,5-triphosphonooxycyclohexyl]oxy-hydroxyphosphoryl]oxy-2-hexadecanoyloxypropyl] hexadecanoate