1. Department of Post-Graduate Studies & Research in Chemistry, Mangalore University, Dakshina Kannada, Mangalagangothri 574199, Karnataka, India
2. Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani Campus, Pilani, Rajasthan 333031, India
3. Department of Biotechnology and Microbiology, Karnataka University, Dharwad 580003, Karnataka, India