1. Department of Chemistry, Government College University, Lahore, Pakistan
2. Department of Chemistry, University of Sahiwal, Sahiwal, Pakistan
3. Department of Chemical Engineering/Physics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab 64200, Punjab, Pakistan
4. Department of Chemistry, The University of Lahore, Lahore, Pakistan
5. Departmento de Quimica Organica, Universidad de Cordoba, Edlificio Marie Curie (C-3), Ctra Nnal IV-A,Km 396,E14014 Cordoba, Spain
6. Pakistan Council of Scientific and industrial Research, Laboratories Complexes (PCSIR) Lahore, Pakistan