<p><b>(A)</b> Phosphatidylinositol C35:0, neutral mass 852.5728, was detected in the positive mode (<b>B</b>) as [M+H]<sup>+</sup> (<i>m/z</i> 853.5802) from triplicate total lipid extracts that were normalized for mass. Chromatogram is representative of triplicate runs. (<b>C</b>) Collision of phosphatidylinositol C35:0 in the negative mode as the [M-H]<sup>-</sup> ion, <i>m/z</i> 851.5655, showed the expected fragments confirming its structure.</p
