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A cPLA2-like subset of metabolites are predominately phospholipids. Sample-level ratio to time-specific DMSO abundance is shown for 26 metabolites displaying a cPLA2-like temporal pattern (upregulated in binary PAH mixture exposure at 0.5 and 4 h, but no statistical difference at 1 h). The metabolites are clustered by abundance at 30 min only (left-hand side) and labeled with corresponding chain length (right-hand side). The color version of this figure is available online.
