To provide a human glucose-dependentinsulinotropicpolypeptide (GIP)
receptor agonist.SOLUTION: A compound of the following formula or a pharmaceutically acceptable salt thereof is provided: Wherein A is phenyl, 6-membered N-containing heteroaryl or thienyl, wherein said phenyl, heteroaryl or thienyl is optionally substituted with one or two substituents independently selected from halo, CF3, CHF2, CH3, cyclopropyl, OH and CN, or when R1 is an optionally substituted 8, 9 or 10 membered N-containing bicyclic heterocycle, A may be absent and X is O or S.SELECTED DRAWING: None