[1] Sree Vidyanikethan Engn Coll, Dept Chem, Tirupati 517102, Andhra Pradesh, India
[2] Sree Vidyanikethan Degree Coll, Dept Chem Sci, Tirupati 517102, Andhra Pradesh, India
[3] Coretech Syst Co Ltd, 8F-2,32 Taiyuan St, Hsinchu 302, Taiwan
[4] Sri Venkateswara Univ, Dept Chem, Tirupati 517502, Andhra Pradesh, India
[5] Andhra Univ, Sch Chem, Visakhapatnam 530003, Andhra Pradesh, India