1. Department of Chemistry
2. National Institute of Technology
3. Tiruchirappalli 620015
4. India
5. Faculty of Pharmaceutical Sciences
6. Centre of Advanced Study in Crystallography and Biophysics
7. University of Madras
8. Chennai 600025
9. Division of Natural Drug Discovery
10. Department of Translational Research
11. Institute of Natural Medicine
12. University of Toyama
13. Toyama 930-0194
14. Texas A & M University
15. College Station
16. USA