About the Authors

C. S. Chidan Kumar

Contributed equally to this work with: C. S. Chidan Kumar, Wan-Sin Loh

ckquah@usm.my (CKQ); chidankumar@gmail.com (CSCK)

Affiliations X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia, Department of Chemistry, Alva’s Institute of Engineering & Technology, Mijar, Karnataka, India

Wan-Sin Loh

Contributed equally to this work with: C. S. Chidan Kumar, Wan-Sin Loh

Affiliation X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia

Siddegowda Chandraju

Affiliation Department of Sugar Technology & Chemistry, University of Mysore, Sir M.V. PG Center, Tubinakere, Karnataka, India

Yip-Foo Win

Affiliation Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Perak Campus, Jalan Universiti, Bandar Barat, Perak, Malaysia

Weng Kang Tan

Affiliation Klinik Kesihatan Batu Kawa, Jalan Stapok Utara/ Utara, Kuching, Sarawak, Malaysia

Ching Kheng Quah

ckquah@usm.my (CKQ); chidankumar@gmail.com (CSCK)

Affiliation X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia

Hoong-Kun Fun

Affiliations X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang, Malaysia, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CSCK. Performed the experiments: CSCK WSL. Analyzed the data: CSCK WSL SC YFW. Contributed reagents/materials/analysis tools: CKQ HKF. Wrote the paper: CSCK WSL SC YFW WKT CKQ HKF.