1. Medicinal and ProcessChemistry DivisionCSIR-Central Drug Research Institute Sector 10, Jankipuram Extension Sitapur Road Lucknow 226031 India
2. Academy of Scientific and Innovative Research New Delhi 110001 India
3. Current Address: Department of ChemistryGaya College Gaya 823001 India
4. Institute of Himalayan Bioresource Technology (CSIR) Palampur 176061 India
5. Current Address: State Key Laboratory of Structural Chemistry Fuzhou China- 350002