1. PG & Research Department of Chemistry, Presidency College (Autonomous), Chennai 600 005, India
2. Centre for Cancer Cell Biology and Drug Discovery, Griffith Institute for Drug Discovery, Griffith University, Nathan, Brisbane, Queensland 4111, Australia
3. Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Kingdom of Saudi Arabia
4. Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha 61413, Kingdom of Saudi Arabia