Fig. 5.

A) Representative Extracted Ion Chromatogram (EIC) and B) mass spectrum of Ga₂[(d18:1)(C16:0)] from the patient sample and two control samples based on UHPLC-HRMS, the mass spectrum is only from the top chromatogram panel and the spectrum is an average of multiple scans across the chromatographic peak. C) The corresponding MS/MS spectrum of Ga₂[(d18:1)(C16:0)] obtained from the patient sample along with proposed structures of product ions, isolation width = 1.5 amu, collision energy = 20 V.