1. Key Laboratory of Synthetic Rubber, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 China
2. Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; 5625 Renmin Street Changchun 130022 China
3. University of the Chinese Academy of Sciences; Beijing 100039 China
4. Changchun University of Chinese Medicine; Changchun 130117 China