1-(1,2-dihexadecanoylphosphatidyl)inositol-3,4,5-phosphate heptaammonium salt Dipalmitoyl-L-a-phosphatidylinositol-3,4,5-trisphosphate heptaammonium salt Dipalmitoyl-PIP3 PI-3,4,5-P3, 7NH4 PI-3,4,5-P3, ammonium PI[3,4,5]P3, 7NH4 Phosphatidylinositpl-3,4,5-triphosphate C-16