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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Representative metabolites that were increased in trypsinized samples. Metabolites are displayed in the following format: compound name_ontology level_retention time_mass. Masses ending with n are neutral masses whereas masses ending in m/z are ion masses.