| Institution: | 1. Department of Chemistry, University of Dschang, Box 67 Dschang, Cameroon;2. Department of Organic Chemistry, University of Yaounde I, Box 812, Yaounde, Cameroon;3. Institute of Medical Research and Medicinal Plants Studies (IMPM), P.O. Box 6163, Yaounde, Cameroon;4. State Key Laboratory of Drug Research & Natural Products Chemistry Department, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu-Chong-Zhi Road, Zhangjiang Hi-Tech Park, Shanghai 201203, People''s Republic of China |
