1. Department of ChemistryKakatiya University Warangal- 506009, Telangana State India
2. X-ray Crystallography DivisionCSIR–Indian Institute of Chemical Technology Hyderabad- 500007, Telangana State India
3. Division of Natural Product ChemistryCSIR-Indian Institute of Chemical Technology Hyderabad- 500007, Telangana State India
4. School of Chemistry and PhysicsUniversity of Kwazulu-NatalWestville Campus, Chiltern Hills, Durban- 4000, South Africa
5. Department of Pharmaceutical ChemistryTelangana University Nizamabad- 503322, Telangana State India