1. The Center for Combinatorial Chemistry and Drug Discovery, School of Pharmaceutical Sciences, Jilin University, Changchun, Jilin 130021, P. R. China
2. Changchun Discovery Sciences, Ltd., Changchun, Jilin 130021, P. R. China
3. Beryl Therapeutics, Inc., Suite 4, Building 19, 2036 West Wengjiao Rd., Haicang District, Xiamen, Fujian 361026, P. R. China