Identification of Tricyclic Agonists of Sphingosine-1-Phosphate Receptor 1 (S1P1) Employing Ligand-Based Drug Design. Xiao H-Y, Watterson SH, Langevine CM, Srivastava AS, Ko SS, Zhang Y, Cherney R J, Guo W, Gilmore JL, Sheppeck JE, et al. J Med Chem. 2016 Oct 11. PMID: 27726358. Abstract CommentRecommendBookmarkWatch