1. Laboratory of Respiratory Disease, Affiliated Hospital of Guilin Medical University, Guilin 541001, Guangxi, China
2. State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin 541004, Guangxi, China
3. School of Pharmacy, Nantong University, Nantong 226019, Jiangsu, China