1. Department of Chemistry Shoolini University Solan, Himachal Pradesh 173212 India
2. Department of Chemistry University of Kashmir Srinagar 190006, J&K India
3. Natural Product and Medicinal Chemistry Division CSIR-Indian Institute of Integrative Medicine Jammu 180001 India
4. Department of Environmental Sciences Central University of Himachal Pradesh Dharmshala 176215 India