1. Center
for Molecular Toxicology and Carcinogenesis, Department of Veterinary
and Biomedical Sciences, Pennsylvania State University, University
Park, State College, Pennsylvania 16802, United States
2. CAS
Key Laboratory of Magnetic Resonance in Biological Systems, State
Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics,
National Centre for Magnetic Resonance in Wuhan, Wuhan Institute of
Physics and Mathematics, Chinese Academy of Sciences (CAS), Wuhan 430071, China
3. Department
of Chemistry, Pennsylvania State University, University Park, State College, Pennsylvania 16802, United States
4. Metabolomics
Facility, Huck Institutes of Life Sciences, Pennsylvania State University, University Park, State College, Pennsylvania 16802, United States
5. Laboratory
of Metabolism, National Cancer Institute, NIH, Bethesda, Maryland 20892, United States