1. Department
of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
2. Department
of Botany, Siksha-Bhavana, Visva-Bharati, Santiniketan 731235, India
3. Organic
and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, India
4. Department
of Chemistry, University of Reading, Whitenights, Reading, RG6 6AD, United Kingdom