Supplemental material

Files in this Data Supplement:

• Supplemental file 1 - Fig. S1, analysis of ESI-MS/MS fragmentation for metabolites eluting at 24.7 min
  Zipped TIF document, 660K.
• Supplemental file 2 - Fig. S2, analysis of ESI-MS/MS fragmentation for the metabolite eluting at 26.5 min
  Zipped TIF document, 657K.
• Supplemental file 3 - Fig. S3, analysis of ESI-MS/MS fragmentation for the metabolite eluting at 27.2 min
  Zipped TIF document, 372K.
• Supplemental file 4 - Legends to supplemental figures
  MS Word document, 28K.