1. Drug
and Herbal Research Centre, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia
2. Department
of Pharmaceutical Chemistry, Faculty of Pharmacy, Hacettepe University, Ankara 06100, Turkey
3. Department
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
4. Department
of Pharmaceutical Engineering, School of Chemical Engineering, Wuhan University of Technology, 205 Luoshi Road, Wuhan 430070, P.R. China