1. Hubei Key Laboratory of Petroleum Geochemistry and Environment, Yangtze University, Wuhan 430100, China
2. State Key Laboratory of Petroleum Resources and Prospecting, College of Geosciences, China University of Petroleum, Beijing 102249, China
3. College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
4. Sinopec Zhongyuan Oilfield, Puyang, Henan 457001, China
5. State Key Laboratory of Organic Geochemistry, Guangzhou 510640, China