1. Division of Organic SynthesisDepartment of ChemistryAligarh Muslim University Aligarh 202002 India
2. Division of Chemistry and BiotechnologyDongguk University 123Dongdae-ro Gyeongju 780-714 Republic of Korea
3. Department of BiochemistryAligarh Muslim University Aligarh 202002 India
4. CFisUCDepartment of PhysicsUniversity of Coimbra, P- 3004-516 Coimbra Portugal