1. Department of Chemistry, University of Akron, Akron, OH 44325
2. Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409
3. GPCR Therapeutics Inc., Gwanak-gu, Seoul 08790, Republic of Korea
4. School of Biological Sciences, Seoul National University, Seoul 08826, Republic of Korea
5. Institute of Microbiology, Seoul National University, Seoul 08826, Republic of Korea