The molecule is a 1-phosphatidyl-1D-myo-inositol 5-phosphate in which the phosphatidyl acyl groups at positions 1 and 2 are specified as stearoyl and oleoyl respectively. It derives from an oleic acid and an octadecanoic acid. It is a conjugate acid of a 1-stearoyl-2-oleoyl-sn-glycero-3-phospho-1D-myo-inositol 5-phosphate(3-).
[(2R)-3-[hydroxy-[(1R,2R,3R,4R,5S,6R)-2,3,4,6-tetrahydroxy-5-phosphonooxycyclohexyl]oxyphosphoryl]oxy-2-[(Z)-octadec-9-enoyl]oxypropyl] octadecanoate