1. Natural Product Chemistry and Process Development Department
2. CSIR-Institute of Himalayan Bioresource Technology Palampur
3. Himachal Pradesh 176 061
4. India
5. Academy of Scientific and Innovative Research
6. State Key Laboratory of Elemento-Organic Chemistry
7. Nankai University
8. Tianjin
9. China
10. Refining Technology Division
11. CSIR-Indian Institute of Petrolium
12. Dehradun