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. 2023 Dec 20;14:8488. doi: 10.1038/s41467-023-44035-y

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© The Author(s) 2023

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Fig. 2 — a The composition of suspects that exclusively exist of CH, CHO, CHNO, or contain P or S compared to the reference libraries. b Repeated occurrences of the suspects across datasets and files (i.e., individual LC-MS runs). c Frequently observed mass offsets (delta masses between pairs of spectra) associated with the suspect library. d Frequently observed mass offsets around a nominal mass of −80 Da. Source data are provided as a Source Data file.