1. Department of Pharmaceutical Chemistry, College of Pharmacy; University of Basrah; Basrah Iraq
2. Department of Chemistry, College of Education for Pure Sciences; University of Basrah; Basrah Iraq
3. Department of Chemistry; University of Copenhagen; Universitetsparken 5 DK-2100 Copenhagen Denmark
4. Department of Science and Environment; Roskilde University; Universitetsvej 1 DK-4000 Roskilde Denmark