TC LPA5 4 is a LPA5 (GPR92)-specific non-lipid antagonist. TC LPA5 4 inhibits LPA-induced aggregation of isolated human platelet (LPA5-RH7777 cell line) with an IC50 of 800 nM. TC LPA5 4 displays selectivity for LPA5 over 80 other screened agent targets. TC LPA5 4 inhibits cell proliferation and migration of thyroid cancer cells.