1. Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease
2. School of Pharmaceutical Sciences & the Fifth Affiliated Hospital
3. Guangzhou Medical University
4. Guangzhou
5. P.R. China
6. Institut für Organische und Biomolekulare Chemie
7. Georg-August-Universität Göttingen
8. 37077 Göttingen
9. Germany