A. U. Rehman
International Cenre for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
N. Riaz
International Cenre for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
Z. Ahmad
International Cenre for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
A. Malik
International Cenre for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
H. Ahmad
Department of Botany Govt. Postgraduate Jahanzeb College Saidu Sharif Swat, Pakistan