1. Key
Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
2. Department
of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018 San Sebastián, Spain
3. Department
of Organic Chemistry, Autónoma University of Madrid, Cantoblanco, 28049 Madrid, Spain
4. IKERBASQUE, Basque
Foundation for Science, María
Díaz de Haro 3, 48013 Bilbao, Spain
5. Hamari Chemicals
Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka, Japan 533-0024