Institution: | 1. International Center for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi‐75270, Pakistan, (phone: +92‐21‐34824926;2. fax: +92‐21‐34819018);3. Pharmaceutical Research Centre, PCSIR Laboratories Complex Karachi, Karachi‐75280, Pakistan;4. Department of Botany, Balochistan University, Sariab Road, Quetta, Pakistan |