Affiliation: | 1. Organic Chemistry Section, National Institute of Interdisciplinary Science and Technology (NIIST), CSIR, Thiruvananthapuram 695 019, Kerala, India;2. Department of Chemistry, University of Kerala, Thiruvananthapuram 695 581, Kerala, India;3. Department of Chemistry, Sree Narayana College, Nattika 680 566, Kerala, India;4. Department of Chemistry, Christian College, Chengannur 689 121, Kerala, India |