1. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Institutions of Earth Science, Chinese Academic of Sciences, Guangzhou, 510640 China
2. University of Chinese Academy of Sciences, Beijing, 100049 China
3. CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640 China
4. Petro Bio Oil Consulting, Tallahassee, Florida 32312, United States
5. Department of Chemical and Biomedical Engineering, Florida A&M University/Florida State University, Tallahassee, Florida 32310, United States
6. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, China 102249