[1] Univ Calcutta, Dept Chem, 92 APC RD, Kolkata 700009, India
[2] Chandernagore Coll, Dept Chem, Hooghly 712136, W Bengal, India
[3] Univ Murcia, Dept Quim Fis, Fac Quim, E-30100 Murcia, Spain
[4] UCAM, Bioinformat & High Performance Comp Res Grp BIO H, Murcia 30107, Spain
[5] Indian Inst Chem Biol, CSIR, Mol & Human Genet Div, 4 Raja SC Mallick Rd, Kolkata 700032, India