1. Department of Chemistry, SreeChaitanya College, Habra, North 24 Parganas, West Bengal, India, Department of Chemistry, St. Paul's C.M. College, 33/1, Raja Rammohan Roy Sarani, Calcutta 700 009, India, Department of Chemistry, University College of Science, 92 A.P.C. Road, Calcutta 700 009, India, Department of Chemistry, National Taiwan University, Taipei, Taiwan, 106 Republic of China, Department of Chemistry, Howard University, 2400 Sixth Street, N.W., Washington, DC 20059, and Departament de Química...