1. To screen, isolate, elucidate structure and evaluate biological activities of natural products
2. To modify the structures of some lead compounds to obtain analogues with higher biological activities
3. To modify the structures of natural products to obtain analogues with higher cytotoxic activity.
4. To modify the structures of natural products to obtain analogues with higher antimycobactrial activity for drug discovery.
5. To select natural products with estrogenic activity for the isolation, structural elucidation, structural modification, synthesis of analogues, estrogenic activity evaluation and the study of mechanism of action
6. To design and synthesize delivery system for cytotoxic natural products and analogues to targeted cells
