The present invention relates to the GPR119 agonist, 4-(1-(5-ethylpyrimidin-2-yl)piperidin-4-yloxy)-5-fluoro-6-(2-methyl-6-(methylsulfonyl)pyridin-3-yloxy)pyrimidine (Compound 1): and pharmaceutically acceptable salts, solvates, and hydrates thereof, that are useful as single pharmaceutical agents or in combination with one or more additional pharmaceutical agents, such as, a DPP-IV inhibitor, a biguanide, an alpha-glucosidase inhibitor, an insulin analogue, a sulfonylurea, an SGLT2 inhibitor, a meglitinide, a thiazolidinedione, or an anti-diabetic peptide analogue, in the treatment of for example, a disorder selected from: a GPR119-receptor-related disorder a condition ameliorated by increasing the secretion of an incretin a condition ameliorated by increasing a blood incretin level a condition characterized by low bone mass a neurological disorder a metabolic-related disorder type 2 diabetes obesity and complications related thereto.
