1. State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources Collaborative Innovation Center for Guangxi Ethnic Medicine School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 Guangxi P. R. China
2. Department of Pharmacy Gannan Healthcare Vocational College Ganzhou 341000 Jiangxi P. R. China
3. Seasons Biotechnology (Taizhou) Co., Ltd. Taizhou City 318000 Zhejiang P. R. China
4. Eight plus One Pharmaceutical Co., Ltd. Guilin 541000 Guangxi P. R. China