1. Department of Chemistry, School of Chemistry and Molecular Engineering (Current address: Shanghai Engineering Research Centre of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering), East China Normal University, Shanghai, 200241, P.R. China
2. Nanjing Luye Pharmaceutical Co., Ltd., Nanjing 210061, P.R. China
3. PharmaBlock Sciences (Nanjing), Inc., Nanjing 210032, P.R. China