1. Department of Chemistry FMKMC College Constituent College of Mangalore University, Madikeri, Karnataka India
2. Department of Chemistry College of Science King Saud University Riyadh 11451 Saudi Arabia
3. Pharmaceutical Chemistry Department College of Pharmacy King Saud University Riyadh 11451 Saudi Arabia
4. Department of Chemistry Kyung Hee University, Seoul Campus 02447 Republic of Korea