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. Author manuscript; available in PMC: 2018 Jan 30.
Published in final edited form as: Birth Defects Res. 2017 Jan 30;109(2):106–119. doi: 10.1002/bdra.23583

Figure 1.

Figure 1

Compound mass vs. retention time plot for 200 compounds with unique masses and retention times, identified by positive- and negative-ion mode LC/MS. These compounds are annotated by color based on their major metabolic classifications.