1. Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 People's Republic of China
2. School of Chemistry and Environmental Sciences Shangrao Normal University Jiangxi 334001 People's Republic of China
3. School of Chemistry and Chemical Engineering Guangzhou University Guangzhou 510006 People's Republic of China
4. Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education Hainan Normal University Haikou 571158 People's Republic of China